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tableau updated course content

Data Visualization - Tableau
Class #	Topic	Description
1	Getting Started	Introduction to Architecture
		Connecting to Data and introduction to data source concepts
		Understanding the workspace
		Dimensions and Measures
		Data Types and Properties
2	Analyzing using the tool	Sample Views
		Working with aggregate vs disaggregate data
		Sorting
		Aliases
		Saving Workbook
3	Interface of the tool	Filters & Context filters
		Grouping
		Reference Lines & trend lines
4	Calculated fields	Logical conditions
		Table calculations
		Using parameters in calculated fields
		Create what-if analysis
5	Grouping	Sets
		Bins
		Hierarchies
6	Building interactive dashboards	Combining multiple visualizations into a dashboard
		Making worksheet interactive by using actions and filters
7	Maps	Explain latitude and longitude
		Default location/Edit location
		Custom Geo Coding
8	Working with data	Difference between joining and blending data
		Working with data extracts and scheduling extract updates
9	Working with server	Server Administration - Managing Users and Projects
		Publishing to Server
		User Filters visit us at :http://www.onlinetrainingsexpert.com/tableau-online-training.html

tableau sample resume

SUMMARY:

·         Over 7 years of Experience in Designing, Administration, Analysis, Management in the Business Intelligence Data warehousing, Client Server Technologies, Web-based Applications and Databases and Experience in industries such as  Retail, Financial, Accounting, Distribution, Logistics, Inventory, Manufacturing, Marketing, Services, Networking and Engineering.

·         Experience in all the Latest BI Tools Tableau, Qlikview Dashboard Design, and Spotfire.

·         Experience in complex BI Reports, Dashboards, Project Management, Change/Incident Management, Maintenance, upgrade, Fix pack/Service pack installations, and Root cause analysis, Resolution Methods Time/ Cost/Budget Management.

·         3 yrs Experience in Tableau and Qlikview Dashboards in latest Design and Presentation.

·          Creation of metrics, attributes, filters, reports, and dashboards. Created advanced chart types, visualizations and complex calculations to manipulate the data. Act as a Point of Contact in Data Interoperability, Analytics and BI and Production Support issue resolution.

·          Designed, developed and supported BI solutions, Involved in Debugging and monitoring, and troubleshooting issues/tickets. Implemented advanced geographic mapping techniques and use custom images and geo coding to build spatial visualizations of non-geographic data.

·         Transformed Tableau into a managed service offering for consumption across Corporate Treasury and Corporate Investments.

·         Experience in Developing Performance Dashboards, Score cards, Metrics, What if analysis, Prompts, Drills, Search (using Add-ons),Reports/Dashboards for all the functional areas  including Finance, Change Management, Order Management, Pricing, Purchasing, HR, Demand Planning, Discrete Manufacturing, Quality, Inventory Warehouse Management, Supply Chain, and Transportation, Sales/Marketing , Variable Objects with formulas.

WORK EXPERIENCE.

American Arbitration Association (AAA), New York City, NY         Jul 2012 – Till Date

Tableau Developer.

Project : Prism

Description:  American Arbitration Association is a dispute resolution company. Prism is an application which aids the users in the process of arbitration. This application has modules such as User Management, Contact Information, Event Management, Financials, Scheduling, Neutrals Management, Document Management, Communications Module, and Notes Management. This project is to convert the existing Dashboards and SQL metrics ,filters and reports into advanced chart types and visualization.

Responsibilities:

·         Created Rich dashboards using Tableau Dashboard and prepared user stories to create compelling dashboards to deliver actionable insights.

·         Responsible for interaction with business stake holders, gathering requirements and managing the delivery.

·         Connected Tableau server to publish dashboard to a central location for portal integration.

·         Connected Tableau server with share-point portal and setup auto refresh feature.

·         Created visualization for logistics calculation and department spend analysis.

·         Generate KPI for customer satisfaction survey results and disease management.

·         Maintained Test log and Wrote test Evaluation, Summary Reports.

·         Extensively involved in doing user acceptance testing (UAT).

·         Generated Test Cases for each specification in Requirement Specification Document corresponding to each module.

·         Generated the test plan specifying an overview of testing approach, testing strategy, roles, responsibilities and its scope.

·         Created Test Scripts, Test hierarchy to represent the features and functionality that need to be test in the application.

·         Analyzed user and business requirements attended periodic meetings for changes in the application requirements and documents.

·         Performed Parallel Testing or Production Testing, which ensures that the new system will perform correctly in a production environment and interface correctly with other production systems.

·         Participated in the User Acceptance Warranty Testing. Involved in doing security and negative testing of the application.

Environment : Windows 7 and Linux,  Tableau, tableau server, MS-Excel, SQL Server , SharePoint, Microsoft office, Jdeveloper, SQL-PLUS, C++ , Visual Basic.

Satyam computer Services Limited, Parsippany ,NJ                               Aug 2010 – Jul 2012

Senior Business intelligence / Tableau Developer

Project 1:  OPTUS

Project 2:  MACBETH

Description:   Satyam is an IT outsourcing company that recruits candidates to work for their clients around the world. In this project I worked on 2 projects based on Tableau platform for an Australian Telecom company OPTUS. MACBETH project had to clarify the problems arising in the Database when the new customers are purchasing a SIM card or existing customers upgrade their services .4G broadband service was also added in their services. Premium Voicemail is the project that dealt with new service of free trial period voicemail for new and existing customers and their upgrades after a month, if opt by customer.

        

Responsibilities:

·         Creation of metrics, attributes, filters, reports, and dashboards created advanced chart types, visualizations and complex calculations to manipulate the data.

·         Transformed TABLEAU into a managed service offering for consumption across Corporate Treasury and Corporate Investments.

·         Act as a Point of Contact/Administrator in Data Interoperability, Analytics and Business Intelligence and Production Support issue resolution.

·         Build and maintain SQL scripts, indexes, and complex queries for data analysis and extraction.

·         Designed, developed and supported BI solutions, Involved in Debugging and  monitoring, and troubleshooting issues.

·         Implemented advanced geographic mapping techniques and use custom images and geo coding to build spatial visualizations of non-geographic data.

·         Work directly with management, vendors, and third parties to ensure that Web-site’s financial transactions and database management applications operate at peak efficiency.

·         Ensured projects were completed on time and within budget.

·         Played key role in enhancing client’s Web reporting system, reducing time of delay financial tracking analysis by 30%.

·         Purchasing, Setting up, and configuring a Tableau Server and MS-SQL 2008 R2 server for Data warehouse purpose.

·         Consolidate multiple data silos that exist on campus to one location.

·         Scheduled data extracts on a daily basis.

·         Sophisticated stored procedures and triggers to provide complete technical solutions.

·         Worked with all levels of development from analysis through implementation and support. Participated in test planning and test script definition.

·         Resolved end user reporting problems through collaboration with IT and Operations.

Environment : Windows XP, Linux, Windows 7, Tableau, Tableau Server ,SQL Developer, MS-SQL 2008 R2, MS-Access, MS Excel and SQL, Java , JavaScript, SQL ,VB

Tech Mahindra Pune, INDIA                                                                 April 2008 –July 2010

Sr. SQL Developer

Project : QANTAS

Description:  Qantas is an airline company based in Australia. It’s  one of the leading airline company in Australia. In this project maintaining the Database was the key task. Database maintaining consisted of their customer details, feedbacks, ticket sales, transactions and other amenities.

Responsibilities:

·         Plan, design, and implement application database code objects such as stored procedures and views.

·         Provide database coding to support business applications using T-SQL.

·         Perform quality assurance and testing of SQL server environment.

·         Develop new processes to facilitate import and normalization, including data files for counterparties.

·         Ensure best practices are applied and integrity of data is maintained through security, documentation, and change management.

·         Performed development activities from gathering requirements and designing solutions, through developing code / reports, to testing and release / deployment.

·         Trained and mentored EBI team, users and  assisted and coached them in  material, processes and delivery of training, training standards and best practices.

·         Interacted with report owners to establish/clarify their requirements and developed report specifications.

·         Performed development activities from gathering requirements and designing solutions, through developing code/ reports, to testing and release / deployment

Environment: Microsoft, Linux, Oracle 10g / 9i / 8i / 7.x, DB2 7.x / 8.x, SQL Server 2005/2000, MS Access 2000

LIPI Data Systems, Mumbai,  INDIA                                                    June 2006 –March 2008

SQL Developer

Project: EXCELL DATA

Responsibilities:

·         Programmed clients website and applications – worked collaboratively with clients. Teammates and web analysts to complete designs and estimates.

·         Provided insightful ideas for developing effective and accurate codes – Evaluated latest technology on the market and made recommendations to clients to integrate new designs as available by new technology.

·         Collaborated with end users and other related departments to ensure that the website is meeting the client’s expectations and business requirements.

·         Collaborated with technical team members to integrate back-end and front-end elements.

Environment: Windows 00/XP , SQL Developer, MS-SQL 2008 R2, MS-Access, MS Excel and SQL-PLU, Java.

EDUCATION

Bachelors of Engineering, UNIVERSITY OF PUNE, INDIA

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Tableau interview questions

How many viz SQL process should I run?
How many extracts (extract type) can be used on a single server(without effecting server performance like memory) ?
What are the possible reasons for slow performance in Tableau?
How to check the performance step by step manner(DB, Report side, Network) in tableau report ?
How to improve the tableau report performance?
How we can find the tableau Report Rendering Time.?
What kind of technology is a Tableau Viz?
Is there a limit on storage space for the data?
How do you create dashboard.? Can you explain the life cycle.?
Can you explain about table calculations?
I have one scenario like Year in integer and week in String and wanted to calculate the YTD.. how to do this.?
What kind of join do you see in data blending?
What is data blending..? When do you use this.?
When do you use horizontal and vertical components?
Name the components of dashboard?
Can we have multiple value selection in parameter?
What are parameters and when do you use it?
What is the difference between tableau 7.0 and 8.0 versions?
How Does Tableau Work?
What is Tableau Reader?
What is Tableau Server?
What is Tableau Desktop?
What is the Defference between quick filter and Normal filter.?
What is the Difference between connect live and import all data and Import some data.?
How do I automate reports using Tableau software?
How does Tableau perform with huge datasets?
How is Tableau so fast when working with databases?
How many types of filters are there in Tableau.?

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cognos interview questions

How you create security to cubes?

You can have user class views and dimension views. Dimension views help you to hide

or remove certain data from the cube depending on what view you are using. Then you

can use the user class views to the cubes for making that data available for a certain role

or group. You can also use both views in conjunction as a way to provide security.

Password protection is another way of providing security to the cubes.

What was the size of your cube?

It may have 300mb; 400mb depends on position,

Optimum size for cube is up to 2GB;

What are the enhancements in Cognos 10 than Cognos 8.4?

Cognos V10.01 New Features:

1) Active Report

2) Business insight

3) Business insight advanced

4) Business view point

5) Collaboration with Lotus Connections

6) Dynamic Query Analyzer

7) Individual user workspaces based on the Business Insight product

8) Lifecycle Manager

9) Statistics

10) Use Your Own External Data

What are user classes?

A user class is defined a group of users having same data

Access needs, restrictions and privileges

What is the difference b/w mdx and Sql?

MDX is a multidimensional expression, we can query directly to OLAP source by using

MDX and SQL is a structured query language, where as we can query to the RDBMS

source. When we r dragging the query items into the report area automatically MDX

generated that query will send to the OLAP source directly.

How do you use SUM function in Reportnet?

We have total() function in Expression Definition.

We can right click on the column and in functions block we have total() function

Why do we create shortcuts in framework manager

A shortcut is a pointer to an object, such as a relationship, a dimension, a query subject, or a folder. We

recommend that you use shortcuts in the business view when there is an overlap between user groups

and you want to include the metadata in more than one folder. With shortcuts, you can have multiple

references to an object.

For example, you create folders named Orders, Products, and Customers. If you want both Orders and

Customers to contain the same dimension, you must create a shortcut to the dimension and add it to

both folders.

Note: Two shortcuts to namespaces or folders must not have the same name in a model. For other types

of shortcuts (e.g., a shortcut of a query subject), the name must be unique within the parent namespace.

When you create a shortcut, Framework Manager does not set the Screen Tip and Description properties.

Unless you define these properties, the values shown in the IBM Cognos 8 studios are the same as those

defined in the object that the shortcut references.

For more info http://publib.boulder.ibm.com/infocenter/c8bi/v8r4m0/index.jsp?topic=/

com.ibm.swg.im.cognos.ug_fm.8.4.0.doc/ug_fm_id10543using_shortcuts.html

What is Model Versioning or Versioning in Cognos Framework Manager?

The versioning allows you to publish a package without impacting the current reports in

use. You can then perform a staged testing approach to move the existing reports to the

new package.

It's a protection against changes. Existing reports will continue to use the previous

version of the model until they are opened and resaved or the old version is phased

out by a subsequent model Publish. However, if you have a proper dev/test/prod setup

then the model versioning may be less useful because you should be doing some quality

control testing of your own before the model reaches production.

What are links & Segments in Cognos Framework Manager?

Segment: A segment is a project within a main project. A segment is owned by its main

project.

Link: A link is a shortcut to an existing project. The project that is linked can be shared by

multiple projects.

pls ans what are the filters we have in framework manager? filters in report studio?

In frameworm manager : 1. Stand alone filter 2. Embeded filter.

In report studio : 1. Detailed filter 2. Summary filter.

how to get the all values from a prompt using 'ALL' use and display value in prompt

In your value prompt add the static chioce as 'All'

and in filter put the expression as....

(column in (?Parameter1?)) or (?Parameter1?='All')

How do you drill through report from Report Studio to Analysis studio?

we have option like Analysis studito to report studio.

In Analysis studio right click goto Related link one new window will come .there u have

to select Reportstudio Report.

what is reprompt?

if u want to select multi items and we dont need finish button we use reprompt button.

In Cascading Prompt we have two things -:

1.) Single Select Auto Submit.

2.) Multi Select and Reprompt Button.

What is Stich Query in Reportnet?

Framework Manager generates a separate query for each 'FACT'

table and joins the result set. This is called Stitched query.

Where do you edit cognos sql in report studio?

1. Pause the pointer over the query explorer button and click the query you want.

2. In the Properties pane, double-click the Generated SQL/MDX property.

3. Click Convert.

4. Make the changes you want.

If you are working with MDX, you must be aware of the MDX syntax that Report Studio

supports.

5. Click Validate to check for errors.

6. Click OK.

how can you set the image in the report?

cognos has its sample images at the location

c:\\cognos installed location\\c8\webcontent\samples\images

If u want the images aother than cognos sample images then copy paste ur images at

the same location .

To set Image in report drag an image object it ur report

and set its URL property as cognos installed location\\c8

\webcontent\samples\images\ur image....

How can we create top 10 and bottom 10 records in the same list?

top 10 alway will be on some measure based on some dim not simply top 10 and

bottom 10,

make q1>

get the rank of the measure rank(measure for dim )<=10

make q2

the rank in the desecending order of measure

rank(measure for dim desc )<=10

make q3=q1 union q2

how u publish the packages in framework manager

1)first v need to create new cognos connection

2)using connection v need to import tables from our database

3)after that v need to create packages

4)after creating package v need to select that package and

rightclick then click on publish..................

what is the difference between count and running-count functions?

count(C) - it counts the no of values of a given item.

running-count(RC) - it sequentially numbers the rows being

displayed.

C RC Data Item

5 1 aaa

5 2 bbb

5 3 ccc

5 4 ddd

5 eee

hi, i am Having 2 Reports one list report,one crosstab report if i put 2 querys for 2

reports which query will execute first?if i put same query for both 2 which report i will

Get?pls pls pls Explain me...

The list report will execute first

because list shows the detail data where as the cross tab shows summarized data. So to

display cross tab it took more time compared to list

hi How Can we create rank in our report?

If u find the top 5 sal :

 Create quires with Product type, Quantity, create Rank column with rank(quantity)

Query1 give filter Rank<=5

 Change the filter Application property from Before Auto Aggregation to After Auto

Aggregation.

what is a join? what are the types of joins?

JOIN: A join is a query using which we can query data from more than one table

TYPES OF JOINS:

1.EQUI JOIN ,2.SELF JOIN, 3.OUTER JOIN > a.left outer join, b.right outer join, c.full

outer join ,4.cartesian join ,

hi Cognos Experts Pls Expalin me what is the diffence between list report query and

crosstab report query?pls explain me.....

List Query is simple select Query

Where as Cross tab query will have group by function used.

List will show data in detail level.

Crosstab will show data in summarized level.

For ex:

List

Product Price Year

1A 12 2012

2B 10 2011

1A 23 2011

2C 45 2012

1A 50 2011

Crosstab

 Year

Product 2011 2012

1A 73 12

2B 10 0

2C 0 45

suppose a value prompt contains 100 values and i want to select all values in that

prompt....i want ALL option in the value prompt? how can u keep this option in value

prompt?

In your value prompt add the static chioce as 'All'

and in filter put the expression as....

(column in (?Parameter1?)) or (?Parameter1?='All')

what is scope relationship?

Scop is a relation ship between regular dimension and measure dimension

what is the use of layout component reference ?

Layout component reference is used to reuse the report object.

What is difference between drill through and drill down?

drill through means navigating from one report to a different report in order to get

detailed data. while drill up/down is done within the same report.

drill through can be done in relational, DMR and OLAP data.

relational to relational

DMR to DMR or relational

OLAP to OLAP, DMR or relational

drill down/up can be done only on DMR and OLAP

Differences between Cognos Sql & Native Sql? What are their Advantages and Disadvantages?

Cognos Sql: This Sql is genreated by cognos on the behaf of

your query. It is good for your own calculation and for the

performance tunning also.

Native Sql: This is Sql based query which has typical database format and funcatons. All the caculation

done at database only.

what is the difference between a data item and a query item?

Query item is nothing but the coulmn of table or Query subject.Where data item is report column which

we use to design report and retrive the data of user eqirement.

how the values be passed to prompts in report studio? when a data item is dragged n dropped in to

report, after the default query generated first which sql will the query query hit for processing means

(native or cognos)?

1. Before executing the query. 2. first Cognos Sql generate

What is an open session command in cognos connection? what is it meant for?

open session command is used to connect to the database to the language defined.

What is loop in framework manager ?

Loop is an very dangerous exception in framework manager we can resolve the loop

create alias table. loop Dispaly wrong results in the reportnet.

A Loop is a Closed Path Circuit....

How u provide security to reports in report studio or in cognos connection?

You dont provide security in Report Studio. You will provide security in cognos

connection, you need to select the report, goto properties, permissions and here you

need to add a user or a group that will access this report. You can also define the kind of

access they will have on this report (ex: read or write). If you provide write access, the

other user will be able to modify the report in report studio.

Also, when a report is saved in a package or a folder by default it will inherit the security of the parent

folder/package.

What is slicer & dicer ? what is sub session parameter ?

slicer is a filter that is applied to the cells but not the rows or columns in a crosstab

HOW MANY LEVELS CAN BE USED IN DRILL THROUGH REPORTS ?

the question here is regarding drill thorugh reports. and there are no levels in drill

throughs. they are completely different reports. we can have as many drill throughs as

possible if it makes sense to create that many drill throughs.

ex: if we have a report on the year level then we can drill through on the year and then

go to a different report at the monthe level same way we can add drill through in the

second report which is at month level to drill through to a different report that is at the

day level and so on. so we

can have as many drill through reports as possible as far as it makes sense.

Can you use calculations in report headers and footers? How?

Insert a table as u need wid columns and from Insertable objects drag a layout caluculation and from the

functionsdouble click the function u need

ex:As of date(),as of time()

How will u execute a stored procedute from a reportstudio ?

When ever we run the report, SP will automatically run, if u use the SP columns in the report

How to Create users in cognos Access Manager from 1) front end 2) back end

User will be created always in back-end. Thru CAM u can give define role.

Purpose of Factless Facttable?

A factless fact is a fact table in which only primary keys of the dimension tables present

as foreign keys but no individual fact clomuns. According to Kimball

"Factless fact table are the preferred method of recording the events in the DW where there is no natural

numeric measurement associated with the event. Factless fact tables also are used to gurantee coverage"

How to create measures and Dimensions ?

By using the Framework Manager we can create measures and dimensions according to our business

needs.

How to create Events?

this is very simple we can do this on the event studio. create a new job with the report

to be executed/ bursted set the priority time and day of frequency on the settings and

save it. Now the job will be triggered and the result

can be saved to a folder/ emailed etc.

Can u please describe the different types of traps with eg. Thanks

There are two main types of connection traps:

 1. fan traps

 2. chasm traps

Fan traps

A fan trap occurs when a model represents a relationship between entity types, but

the pathway between certain entity occurrences is ambiguous. It occurs when 1:m

relationships fan out from a single entity.

Missing ALT text

 Figure : Fan Trap

A single site contains many departments and employs many staff. However, which staff

work in a particular department?

The fan trap is resolved by restructuring the original ER model to represent the correct

association.

Missing ALT text

 Figure : Resolved Fan Trap

Chasm traps

A chasm trap occurs when a model suggests the existence of a relationship between

entity types, but the pathway does not exist between certain entity occurrences.

It occurs where there is a relationship with partial participation, which forms part of the

pathway between entities that are related.

Missing ALT text

 Figure : Chasm Trap

 * A single branch is allocated many staff who oversee the management of properties

for rent. Not all staff oversee property and not all property is managed by a member of

staff.

 * What properties are available at a branch?

 * The partial participation of Staff and Property in the oversees relation means that

some properties cannot be associated with a branch office through a member of staff.

 * We need to add the missing relationship which is called `has' between the Branch

and the Property entities.

 * You need to therefore be careful when you remove relationships which you consider to be redundant.

What is the difference between macros and prompt?

A MACRO IS RUN TIME PARAMETER WHICH CAN BEPLACED IN ANY PART OF SQL SELECT

STATEMENT,WHERE AS PROMPT IS USED TO GIVE CONDITIONS

Macro is set of instructions to run report.

Prompt is just like a dialog box which will ask user to select/enter the information what he needs.

How to hide value prompt box and list when run report?

Hi, First u select the value prompt then in the property pane select box type is none then if u run the

report, value prompt box will be hidden.

if u having 2 pakages i want a report with report items in 2 pakages how to use the 2 pakages in single

report please ans me............

 We can't use 2 packages in a single report instead we can add query subject from

another package to the current package. we can do this in framework manager.

 Go framework manager then right click the namespace then select new query subject

then meta data wizard will display in that u select data source name and then select

database object in that select query subject related to the another package. then finish

the metadata wizard. finally again publish the package.

What is Render Variable?

when u want to hide the column based on some condition then we will go to the render

variable option.

what is the automation tool used for data warehouse testing???

We have few tools available in market for data warehouse automation. Like –Query

Surge WWW.Querysurge.com

How to test reports in cognos ?

We can test the report in 3 ways

1. By using 'validating the report oprion'

2. Run Report Option.

3. By im pliment an SQL query parallel to the requirement and finally check the result

with the report reslt. ie. the result return by the sql statemnt is coinside with the result

of the report.

 in the report contained data is correct or not.format is correct or not ,applyed filters

are running correctly or not. all this things are done in unit testing.and By using the sql

query analyser we doing the data valydating testing.

we can test the reports in 3 ways.

identify the static errors -> click validate buttonin the rs

identify the runtime errors->by executing the report validate the data by writing own sql

statements in the backend.

how to convert crosstab into list?

We can't convert cross tab to list, we can convert only list to cross tab

Re: In Report page i have three types like (List,Cross tab,Chart), using Conditional

Block i need only type of Report (Chart)at run time.How to do this I need The

Complete Steps to do this?

1) Create a prompt page 2) Drag Value Prompt 3) Create 3 static values List/Chart/

Crosstab

 4) set default value to chart

 4) create string variable and drag that value prompt parameter in that

5) create three string variables for List/Chart/CrossTab

6) In the report page select conditional block properties and point to that variable to

Block variable

 7) current variable point to>Chart then drag the chart into the conditional block

8) and do for remaining strings run the report

what is difference btw summary filter and detail filter, plz explain with example ?

Detail fiter is applied to whole body of the report.

Summary filter is applied to only at footer level.

For Example if we take Product Line, Product Type and Price and then take total on Price

and apply the filter saying Price > 20000 (detail Filter) then its going to display those

values which are greater than 20000 in body.

It will be oppsite in Summary Filter i.e for summary footer

its going to check the value which is greater than 20000 at footer level.

Basic difference between Detail and Summary filter in terms of SQL formation is:- Detail

filter comes under Where Clause

And Summary Filter comes under Having Clause after Group By

How can we publish package to QA environment not cognos connection?(if we have

two URL one cognos connection and qa environment how can we publish package to

qa?)Please anybody give me the answer.

You have to use Deployment tools provided by Cognos 8.

1) Select your package under cognos connection, tools-> Content administration-

>Export.

2) Go to the Deployment folder i.e., C8/Deployment in your source environment,

copy the package in a flash drive and place in C8/Deployment in your target(QA)

environment.

3) Now go to Cognos Connection in QA, Tools->Content Adminstration->Import the

package.

what is the use of layout calculation?

Layout Cal is mainly used for creating customized reports and runtime

information,pageno,report execution time,dynamic headers creating etc...

What is minimum version of internet explorer to run the Cognos report.

According to cognos 8.3 version minimum 6 version of internet explorer to run the

cognos its mandatory...

Where u can save the Report net documentation in our local system?

When ever we Install Cognos Server we get Get its Doccumenttaion Alon other wise we

can store it in Deplaoyment Folder of Cognos

Hi, How the relations will be exists in DMR models if u have any idea please explain

me ?

Scope relation ship, between regular dimension and measure dimension.

what are the joins present in reportnet?which is most widely used?

default join in F.M is inner join while creating the relation ship between tables . u can

change that by editing the join. Inner join is most widely used

What is snapshot ?

A SnapShot is a Permenant Local Copy Of The Report Data a

Sanpshot is Static DataSource it is saved with .imr File it

is suitable for Disconnected Network....

explain project, package ,model , modelers.........and differences b/w them?

Project: a set of model

Model: a set of query subjects, data sources, filters, calculation and so on....

Package: a subset of the model, that's created to be published to the content store, so

that we can use this package to create various kinds of reports.

Modeller: The person, who's creating Framework Models

suppose if u r report having 1000 tables i want to dispaly alternate rows means 1,3,...

how we specify that pleaes ans me

mod(rownum(),2)=0 with that expression use conditional style.

can we join 2 different queries? One has 10 columns and other has 5+ columns?

yes you can join two diff queries based on common key data item, you cannot union

them ( for union both queries must have similar data items and order of the items

What is the difference between filter & Condition?

Filter gets the necessary records and it is reusable

Condition retrieve the output based on the selection criteria

How to create users and permissions in cognos?

in content manager--we have one component called cognos process manager.

using process manager we can integrate with third party tools like LDAP or NTLM. we

can not create users in report net directly. in real time we can use LDAP.

A list box contains 1000 records, while running the list, inside the header the content

has to scroll down. Note the header should not go up?

go to stucture menu then click headers & footers

and click perminent header check box.

How do we implement Check Box Prompt in COgnos Report Studio?

In Value prompt apart from setting the Multiselect property to 'Yes' we need to set

select UI property to 'Check box group'

How to select multiple values from Type-in prompt? Example - I want to enter into

type-in prompt in 'Product name--- Liza' display report data in 'product name is Leza'

only OR I want to enter into type-in prompt in 'All', that time display report data in all

are report data. How is possible this Scenario using in type-in prompt.

By using the following condition as the filter for the textbox prompt we can get the data

for the specified product as well as All products when we type ALL in textbox prompt

Product name = ?P_ProductName? or 'ALL' in (?P_ProductName?)

what is crosstab space?

To add space to the crosstab to add description inside a crosstab, we use crosstab

space.

what is Associated grouping? and how it works in cognos impromptu?

You can associate one or more data items with a grouped data item. An associated data

item should have a one-to-one relationship with the grouped data item. For example,

Order No. is a grouped data item. For each order number, there is

an Order Date. Order No. and Order Date have a one-to-one relationship.

what are typees of dimensions?

Conformed Dimension,Degenarated Dim,Junk dim those all are concepts in DWH. But in

Cognos we have some more dim like Regular dims,Measure dim

 Regular Dim Mainly it is used for drill up and drill down purpose. It contains Hierarchial

structure. It have three propertise having Business key,member Caption,member

description.

What is Index?

Index is one of the databse object.it is used to quickly locate the particular record.

i.e.if a table contains thousand's of record, in which retrieving the particular record is

difficult.so if we create index in primary key column, we can retrieve particular record

very soon. so we can save the time.

ex.create index indexname for tablename of columnname

can anybody tell me when do use 'running total'...give an example for the usage of

running total

If you want see the day wise total that situation use running total function.

what is the difference between cascading prompt and drill-thru ?

1.cascading prompt means which takes values from another prompt.

2.cascading report work based on condition.

1.Drill through is to navigate summary information to detailed information.

2.Drill through report works based on the data item what we select as a drill through

options.

Wht is difference between content store and content manager?

A content store is a data base which stores the meta data of the reports.when we

publish the project from framework manager it will save in the content store. But where

as a content manager is a service which is available in dispatcher. which it manages the

security. It contains the access manager.

what is the security module used in cognos?

the security module used in cognos is cognos access manager.

fiscal year means what???

Fiscal year means financial year.

fiscal year means calculating year from April to march.

What are the differences between Cognos 8 and Cognos 7.x version?

1.Additional add-ons like Event studio, Analysis studio, Metrics Studio.

2.In Cognos 8 framework manager we can create dimension map i.e.(levels for

hierarchies)

3.In Cognos 8 Report studio data items are created directly in Query explorer, but in c7

we create data items in tabular model. In c8 tabular model is excluded

4.In Query studio: conditional formatting, drill down and drill up is extra features of c8

when compared to c7

Hi, I got a requirement wehre in in a drill through report , in parent report i have a

column of numbers on which i have to apply drill through to child report.The condition

is in that column if the number ia not zero the drill through link should appear (i.e.,

1 to 9) if its 0 or negative number link should not appear. How ? Help would be

appreciated

Hi

Lets say I have a report and columns like

 Class Student

 1st Std 10

 UKG 6

 Pre KG 0

Steps:

1) create a Boolean varible like student>0

2) go to report and select Student cell not the column

3) unlock the object

4) delete the student from the cell

5) drag the conditional block into the cell

6) go to contional block properties and block variable

point to already created boolean variable

7) then current block set to yes

8) drag the student again to this conditional block

9) create the drill throuh for this yes block

10) now change the current block to No

11) then drag the student again into the cell

12) run the report.

What is a dashboard in Cognos Report Studio and how do we creae it ?

Dashboards communicate complex information quickly. We can see list reports, cross

tab reports, charts and multilingual Reports in a single page.

what is mean by cognos powerhouse?

PowerHouse 4GL is an application development environment that allows you to create

business applications quickly and easily.

what is the meaning of aggregation and rollup aggregation? Difference between

layout calculation and query calculation? How do you hide the rows that have null

values? why we use query studio? what is the use of query studio compared to report

studio?

aggregation is the grouping of data roll-up is the extension of aggregate caluse.

Query calculation is used for calculated data items and layout calculation is used for

run-time information.we can supress null values by dataformat Querystudio is used for

simple,ad-hoc reports

what is report burn and where it occurs

file menu->burst options,a separate window opens here to check ,

to make a report for bursting,and to specify burst reciepient and burst key dependinding

upon those the report is ready for bursting after that click on ok.

How to cretae a Template?

just take a blank report and put what ever attribute you need like page headers,page

footers, date,time,url's,photo etc.. , and then go to file menu and click CONVERT INTO

TEMPLATE.

Can we import the cube into FWM? If yes how & what is the necessity to import it? 2.

What is the use of TABULAR OBJECTS? Repeated Question

We can import the cube as a data source into the Framework Manager.We can publish

the cube without going to PPES and developers can create analysis reports in the report

and analysis studios.

What are the differences between Cognos 8 and Cognos 7.x version?

1.Additional add-ons like Event studio, Analysis studio, Metrics Studio.

2.In Cognos 8 framework manager we can create dimension map i.e.(levels for

hierarchies)

3.In Cognos 8 Report studio data items are created directly in Query explorer, but in c7

we create data items in tabular model. In c8 tabular model is excluded

4.In Query studio: conditional formatting, drill down and drill up is extra features of c8

when compared to c7

what is an associated query?

The data item linked to the group data item. the associated data item suppress the

duplicate values but do not generate A control break. it display the only one value of

associated Column.

What are the uses of query explorer? Give example for each use in detail. It is not

given clearly in user guide so explain in detail.

ACTUALLY THERE ARE 3 EXPLORERS

1)PAGE EXPLORER

2)QUERY EXPLORER

3)CONDITIONAL EXPLORER

IN QUERY EXPLORER WE CAN PERFORM UNION,INTERSECTION,MINUS

(EXCEPT) ETC OPERATIONS ON QUERIES AND REPORTS.

I have four region(Us, Uk, Canada, Europe) in my value prompt. Along with this I want

new prompt called All. Once I click on All it should display all regions data. How can I

achieve this ?

In your value prompt add the static chioce as 'All'

and in filter put the expression as....

(region column in (?Parameter1?)) or (?Parameter1?='All')

can reportnet supports cubes???

No there is no option for calling the cube in the Roportnet

Environment . These option is available in Cognos 8

I want to display popup menu or alter message in my report? How to you solve this

problem? Give me the answer with example?

using JavaScript in html item

What is Busschema?

Busschema is the way to identify the conformed dimentions across the business

processies known as datamarts

How can we improve performance in framework manager level?

Make sure that Data is imported from only 1 data source with out any duplicate data

sources created .Duplicate DS will get created when you import New query subject from

the Database or Refresh the existing Query subject with the

name as 1 appended to the existing DS.

Make sure there are only few CASE statements,DECODE statements where ever

required.These hampers performance.

Make sure there are no loops between query subjects.

BY Checking the Governor Settings we can improve the Performance.

We have many Governor Options. Based on Situation we will use.

How to select all in value prompt instead of cascade prompt?

writing the filter condition

first select value prompt in properties pane add all to the static choice

in filter condition add extra condition using and operator

---------and ?parameter1?='all'

how u burst the reports? if u r bursted reports is not reached to destination how u

identify???

single report is sent to different users this is known as bursting . for bursting mailing

server should be configure with cognos server.If this is connected bursting is

possible.If it reaches the destination then it comes to sent mail or you will get a bounce

mail to your inbox.

does query is created for date prompt?

no, date prompt ,generated prompt ,text box prompts are not created queries

How to apply sorting to Crosstab report? If so please give me example? 2.How to

create Report level Joins?explain with example?

Suppose take a product table containing product name and product no.product number

to column and product name to row.

select the column name product and sort it using the sorter given in the tool bar either

in Ascending or in Descending.

Can i apply drill through on master detail relationship report?

Yes... you can....

How can I change reports to another package???

Go to Public Folder in Cognos connection

Go to the current package that report is using In front of the report click on the set

properties icon.

In set properties page the last pane is package at the bottom.

there click on link to a package. then select the new package and ok.

Or

goto file menu select reportpackages

How to improve report performance except limited local processing?

To improve performance of a report we can approach these method

In database level:

1)In this level to improve performance create indexes to improve the performance.

In model level :

1)you can remove loop's at that time you can improve performance at model level

2)use indexes you can improve performance

3)Change the property of query processing to Limited local or database only.

In report level:

1)you can reduce the calculation and conditions in the report

2) you can limit the cut copy paste operations for user's

3) you can limit access no of report's at peek time you can improve performance at report level

4)in the report studio query properties we can set query exccution method to

concurrent.

In Drill through, Reports are executing successfully when rename & run the created

reports? Pls tel me the reason?

Go to Drill through report (Edit existing ) and browse give

the report( What you have modified )

what is differences between the group span and levelspan

Both r having same functionalities in cognos 7 version we have to use level span and in

cognos 8 version we have to use group span

Can we create a cube in a Transformer from multiple IQD's ?if so, how? 2.Also ,

explain some of the best practises used ,while creating a cube in powerplay

transformer.

yes we can create cube from multiple iqd's , we have to first import the primary

datasource which contains most of the structural data item required for the cube

creation, and then other sources,by inserting the data source

separately.

Good practises:

1. we can incrementally update the cube.

2.check the cube status periodically

3.run the test cube with a small amount of data.eg., if you

have 1000 records , we can assign 300 records from each

data source and perform a sample test cube.

4.we can do partition, to improve the runtime performance.

Column level security in report

a column is nothing but a data item that comes from the framework side. so the

solution lies in your own question. you have to do an object level security at the

framework side to hide the particular data item or the query item

What is the Main Difference between Conditional Block and Render Variable in

Cognos. Both are used for Condtional rendering.But what is the Main Diff?

In conditional block the object you put in the block(list, crosstab etc) can be made

invisible or not depending on the variable. While in case of render variable only

the column that you want to cut off from ur report will be rendered by the variable

condition.

Can we use 2 packages in report studio at a time is there any alternative for this

In cognos at a time we can use only single package to create any specific report....

what is prompt types of prompt example briefly each types of product (eg:values,

date,search,prompt etc.)

VALUE PROMPT: Value Prompt Retrieves data based on values that you select from a

list.Use this control to show the list of possible values from which users can choose.

Note: The maximum number of items that can appear in a list is 5000.

SELECT AND SEARCH PROMPT:Select & Search Prompt Retrieves values based on search

criteria that users specify. Data is then retrieved based on values users select from the

search results. Use this control instead of a value prompt if the list of

values is very long, which can slow down performance. Tip: Users have the option of

performing a case sensitive or case insensitive search. A case sensitive search is faster,

while a case insensitive search usually returns more values. You cannot use this control

if you are working with SAP BW data sources.

DATE PROMPT:Date Prompt Retrieves data based on a date that you select. Use this

control when you are filtering a date column. With this control, users can retrieve data

for a specific day, a set of days, or a range of days.

TIME PROMPT:Time Prompt Retrieves data based on a time that you select. Use this

control to restrict a report to a particular time or time range. For example, you can use

this control to see how many orders are received after business hours. You can then use

this information to determine the number of staff needed to work

After hours.

DATE AND TIME PROMPT:Date & Time Prompt Retrieves data based on a date and time

that you select. Use this control when you are filtering a datetime or

Timestamp column. This control is useful for specifying ranges. For example,

you can retrieve all orders received from Monday at 12:00 a.m. to Friday at 5:00 p.m.

INTERVAL PROMPT: Interval Prompt Retrieves data based on a time interval that you

specify. Use this control to retrieve data that is related to the passage of time. For

example, you can use this control to retrieve a list of products that were returned 30 or

more days after they were purchased.

TREE PROMPT: Tree Prompt Retrieves data based on values you select from a list.

Values are organized hierarchically. This control is useful when you are working with

dimensional data sources. Data is shown from the top of a dimension hierarchy to

the most detailed member, and users can choose the level of detail they want to view in

the report.

GENERATED PROMPT: Generated Prompt Selects a prompt control based on the data

type of the data item. This control acts like a placeholder. When you run the

report, the control is replaced by the appropriate prompt control. For example, if you

are prompting date values, the control is replaced by a date & time prompt.

Which service handles requests for cognos connection,query studio and event studio.

it's web service

If we run a report, that has 2 pages, i want to display one page in HTML format and

another page wil display in pdf format. What is the procedure?

use report function

case

when report output()='PDF' then 'PDF'

when report output()='HTML' then 'HTML'

end

use this condition in rendor variable then u ll get

What do you do to make a report result in showing 4 different regions in an xl sheet in

individual sheets(like Region1-sheet1,Region2-Sheet2 soon)?

Select the regions data item and click on "Set Page Break" from structure menu.

Run report in Excel you will have different sheets for each region.

What is render variable?Where do you exactly use in developing a report?

Render Variable: - Specify a variable based on which object can be conditionally

rendered.

Style Variable: - Specify a variable based on which object can be conditionally styled.

Example for Style Variable

In a report in a list if u want to display every alternate row with particular color in this

case

1) create a data item with name running-count with function "running-count" on

particular unique column

2) now create one more data item as mod with functon "mod" on that running-count

data item

3)create a boolean varibale with expression mod 1

4)go to the page select List column Body style

5)In properties pane select Style Variable as boolean variable

6)click on YES variable and set its Foreground color as RED

7)click on No variable and set its Foreground color as Yellow

now run the report

Example for Render Variable

if the case is like you want to see the particular page in HTML or PDF or CSV format then

1)Create 3 pages in your report

2)every page conatins some specific data

3)name these pages as HTML PDF CSV

4)create a String vaiable with 3 values as HTML PDF and CSV

5)now in string variable put expression as .....

case

when ReportOutput() 'HTML' then 'HTML'

when ReportOutput() 'PDF' then 'PDF'

when ReportOutput() 'CSV' then 'CSV'

end

6)now go the page named HTML and select page object

7)in properties pane click on Render Variable select that string variable

8)check only HTML check box value for HTML page

9)repeat step No. 6 to step No.8 for remaining 2 pages.

what are the applications of the tabular model ????

we use view tabular data option to view the data in the object before running the

report? tabular model is used to select the query item's in report net 1.1.it refers simple

list query.

What are differences between Reporter report and Explorer report?

Many differences are there..

ER is default report type. which creates the report by taking first two dimension row and

cols?

RR gives blank report ,where u can add u r dimension of u r interest.

Use ER to replace existing categories in an Explorer report,

what are the tabs in cognos ?

By default in cognos connection potal there are two tabs.

1)Public Folders

2)My Folders

Hi everyone, In my report i have ten pages like page1,page2, upto page10, i have

textbox prompt when i enter 1 page1 should display,when i enter 2 page2 should

display,can anyone suggest the answer.

crate a string variable like

if(paramdisplayvalue(parameter)=1 then page1 else

if(paramdisplayvalue(parameter)=2 then page2

------

---

-

and then add values like 1,2 upto 10

use conditonal styles

how to create calculate column in report studio

Using query calculation we can create a new calculated column.

how to access the database directly from cognos reportnet

Through Pass Through SQL available in cognos...

What is stitched Query?

stiched query sends two seperate queries to data siurces and merge them internally.

can any body clesrly explain about types of query subjects.that is data source query

subject,model query subject,stored procedure query subjects?

Three types of query subjects are there:

1.default datasource querysubject

2.model querysubjects

3.stored procedure querysubjects.

1.Datasource querysubject:-Datasoure query subjects contain sql statements that

directly reference data in a single datasource.Framework manager automatically creates

a datasource querysubject for each table and view that you import into model.

2.Model querysubjects:-Querysubjects which created from model (querysubjects &

queryitems)sources are called model querysubjects.

3.Stored procedures:-Querysubjects which created from Stored procedures are called

Stored procedure querysubjects.

what is the difference between rollup aggregation and aggregation ?

aggregation : it will sum up all group column data.

Roll up aggregation : it will sum up group wise data.

How can we change any header or footer for a group of reports

By using layout component reference

what is physical layer and presentation layer?

Physical layer-The physical layer provides the physical query layer and is made up

primarily of data source and stored procedure query subjects .It acts as a foundation for

presentation layer.

Presentation layer-The presentation layer makes it easier for report authors to find

and understand their data .The presentation layer is made up primarily of model query

subjects that you create

How we check the errors before running the report,plz let me know the answer

before u run a report ..u have an option called 'valididate report' in run menu..

then u can find the errors what u made

im having null data in one of the cell in my report i have to display as "no data" when u

run the report how can i achive this problem?

1.select the query item in the list which contains null value.

2.if it is char data type then click the data format in

properties.

3.select the format type text,

4.In the missing value enter the text as "no data".

5.so that you will get the output when it contain null values.

1) click on query item that you have draged from the layer.

2) click on LIST it was in the properties

3) then in the properties you will find NO DATA CONTENTS make it as YES

4) drag TEXT ITEM from tool box properties and type your MESSAGE

5) Run the report

What is the use of Excel files in Cognos8?

The use of excel in cognos is we can modify it and we can view it in different pages as

per our requirments and we can publish different sheets to the different users.

what is model and how to create model and how to test model?

Model is--------Nothing but designing the database. According to user requirement.

Model---------- It contains meta data which is related to bussiness reporting

Information.We import this data from the database.

Why we need to create Views.

For better organizing the metadata we need to create views.

-----------Databaseview(Physicallayer),

-----------Businessview(presentationlayer).

what is tabular set? how can you break the report?

1. Tabular Set: Tabular set object returns a single result set using UNION, INTERSECT or

MINUS operators.

2. Breaking the report: Question is not clear.. because, using tabular set, we combined

two model or query using UNION, INTERSECT or MINUS operators.

what does my folder and public folder contains? difference between the my folder and

public folder?

Public Folder is nothing but shared folder. My folder is nothing but personal folder. Any

body can share the folder and show the reports(PUBLIC FOLDER) but it is not possible in

my folder.

hi Here ive question on Reportnet when we save a report in reportstudio with what ext

it save

Hi all when v save one report in reportstudio,it does not have any extension.just v can

see the result in diff formats(xml,pdf,html,csv...).so there is no extension 4 a report in

reportstudio.

what is the difference between group and association?

In cognos 'group' is used to suppess the duplicate values..and 'associate' is used to

suppress the values if it is one-one relationship.

what r the names of the reports that u prepared???

i developed below reports

Daily Client Order Summary.imr

Daily Junior Loan Policy.imr

Daily Vendor Completed.imr

Flood Turn Time Report.imr

Sales Report Property.imr

Sales Report TitleIns.imr

TITLE ORDERS OPENED NON INSURANCE.imr

1.how do nyou configure link between fwm and database (source).if you created fwm

where it will be? and if you create reports where it is stored? 2.what is spic shot in fwm?

1. To create link between FWM and DB(Source)

 Open FM-->File-->New Project-->it will ask you to select DATA Sources..we can select

new DS to create or existing to connect.If you select 'new' it will ask for type of ds

(Oracle,sybase) and click next then give Connection string and userid/pw .then test for

connection.if the connection is succeeded.connection is established between model and

DS.

2. Once model is created..it will be stored under projects in location where

C8 is installed. (eg) if your modelname is 'sample' then it will be stored

as 'sample.cpf'..C:\Program files\C8\samples..

3. I you create reports..it will be stored as specification in .xml file.

When we use consume in cognos?

It is a type of role that as read, execute and traverse capabilities.

what are the joins present in reportnet?which is most widely used?

inner join, outer join,cross join mostly inner join is used in reportnet.

can you apply grouping on crosstab?

No, we can't apply grouping to crosstab, because the crosstab is already grouped. The

data displayed in crosstab is grouped data,

So, If you try to apply grouping it will not take.

What is meant by DSS?

Decision support system is to analyze the data to decision making

Difference between impromptu and reportnwt1.1

Imprompt :

- Imprompt is one of the component of Cognos-7.

- Windows based,

- Its 2-tier archetecture.

- Its used to create Catelog & Report.

ReportNet1.1 :

- Its next version of Cog-7.

- Its 3-tier archetecture.

- It's got following component..

 1. Framework Manager - Windows based-used to develope model / poackages.

 2. Cognos Conection - Web Based

 3. Query Studio - Web Based-Used to create simple report.

 4. Report Studeo - Web Based-Used to Create complex report.

What is parameter maps & Session parameter?

parametermaps are nothing but key value phases which are used to work with local

languages.the defalut language is en. it has two values 1)key (must be unique)2)

values(subtuite).

session parameters are variables such as user and run local.

Diff b/w MOLAP and ROLAP?

MOLAP: OLAP which comminicates with the Multi Dimensional Analysis.

ROLAP is Relational OLAP.

what is dimention?explain dimentable with example?

Dimensions are categories by which summarized data can be viewed.

 A dimension table is a table that contain summarized data and historical data.The

dimension table has foreign key - primary key relation with fact table.

how to create relationship between emp and salgrade tables in frameworkmanager?

create one datasource query subject in FM. and write a sql

like

 select emp.name,emp.salary from emp,salary_grade

where emp.salary between salary_grade.low_salary and

salary_grade.high_salary.

this is called non equal joins. like this you can create

relationship between this two table.

What is Dynamic Grouping? what is diff between grouping n levelspan?

1. Group : It's used to suppress the duplicate values.

2. Levelspan: It's used to suppress the duplicate values associte with group function. Its

having one-one relationship.

tyes of security in cognos?.how to use rank function? 2.what is content store? 3.what is

content manager? 4.how 2 use rank function?

*Your security strategy concentrates on three main areas:

• Authentication – who are your users? Your information should be readily accessible

but only to the right people.

• Authorization – once they are authenticated, what do your users have permission

to access? Each person or group of people may need to know different things, even as

detailed as the column or row of data.

• Encryption – how do you protect both data transmissions and storage?

*You can use the Rank function when you want to sort out the data.....for example:

when you want to display the nth highest employee....then you can use Rank function

also find out...

* Content Manager

provides a simple solution for managing access to corporate content in a web

environment via the upfront component. Upfront was not really designed as a complete

web site / portal content management solution (a point I find myself making again

and again to clients for whom I implement the (Cognos BI Suite). Although it serves

quite ably to allow you to flexibly customize, personalize, publish and manage content

(whether BI-related or not), within the realm of the corporate intranet and elsewhere,

it is limited with regard to sophisticated site component management (HTML and other

markup languages, text, hyperlinks, graphics, images and so forth). The provision in

its design to allow for the publication of, or linking to / from, non-Cognos documents

allows for versatility that can be highly useful, and Upfront often meets the business

requirements of many organizations right out of the box.

* Cognos content store

It stores the package information ....through Cognos connection, report authors

connect to content store and

generate the reports...

Any Questions on cognos or Sql please my friends mail me to

cognos.madhoo@gmail.com

how can we improve performance of the reports?

TO improve the performence of the report move all the calculations and filters from

report level to the frame work manager.

1. Check the Governor Settings.

2. Dont use the Not in function in the query.

3. Check the client/server balancing.

4. Avoid using complex calculations

5. Check the table qualifying and weighting.

In an existiing Framework model, how will you add a new column to the existing table?

First the new column shud reflect at the database

side.after that if we just say Update query subject then the new column is automatically

reflected in the physical layer.

What is Deployment?

Deployment is moving the cognos environment from the Development server to the

Test server for the testing purpose & subsequently to the Production server after

reports, cubes & packages are tested with zero defects (ideally)

why u need to publish the package?

Package manily contains of Metadate.With that data we develop the Reports according

to Client Requirement..

package is basic source for the Reportstudio Authors, query studio. however package is

used as a one of the input source for the transformer.

what is an sid (surrogate key)?

surrogate key: It has system generated artificial key values, which allows to maintain

historical records in the data warehouse more effectively.

what is the difference between enterprise data warehouse and data warehouse

Enterprise Data ware house is built for Entire Organization and mostly has Departments

as Data marts. Ex: Sales, Fin, Operations, Logistics, HR, CRM....

A Normal data warehouse is built for specific problems to give proper data (Cleaned and

Historical) for reporting tools. Ex Sales DWH (For In death Sales Analysis)

What is Conditional block? How do you use in a report?

Conditional block: Specify a variable based on which objects inserted into a block can be

conditionally rendered.

for example user can have option for List report or chart report when he runs the

report.

Try this out........CONDITIONAL BLOCKS

The goal of this report is to prompt users on which display they would prefer, a list or

a chart. To start, create a simple list report in Report Studio. Using the Cognos sample

data, product line, order method and revenue are added to the list. From the toolbox,

drag and place a pie chart below the list. Select the chart and in the properties pane,

attach this chart to query 1:

Now the chart can be populated from the data items tab.The consumers of this report

need the ability to choose between the displays they want to see. To accomplish this,

build a blank prompt page allowing them to select from a drop down list either list or

chart. Drag a value prompt to the prompt page with the following settings:



At this point hit ‘Finish”. The dropdown list has to be populated manually though the

static choices property of the value prompt. The two choices added are list and chart.



*You can leave the display value blank. If you do so, Report Studio is smart enough that

it will take the use value for the display value.Now that my prompt page is set, return to

the Report Page.

In order to conditionally display an object, use the conditional blocks object in the

toolbox. Drag this to the bottom of the report.



The next step is to attach the variable to the conditional blocks block variable property.

This variable is a Boolean variable that either equals a list or doesn’t.



We need to test if our parameter is equal to the value ‘List’. If the user selected List this

expression will evaluate to true, if the user selected ‘Chart’ from the prompt, then this

will evaluate to false.

After this step is completed there is a new property on the conditional blocks object

that tells us which block we are currently looking at. First, drag the chart into the ‘No’

block.

 Now, select the conditional block again, and switch the current block property to ‘Yes’.

The conditional blocks object appears empty because there is currently nothing in

the ‘Yes’ block.

 The final step is to drag the entire list inside the ‘Yes’ block.

Now when the report is run, the user will be prompted for their display of choice.

Diff b/w Dimensional modelling and Relational modelling?

Relational modelling:

Data modelling of transactional systems

Dimensional modelling:

Data modelling of decision support systems

What is IQD?What is contained in IQD?

IQD MEANS IMPROMPTU QUERY DEFFINITION,IT CONTAINS

MULTIDIMENTIONAL DATA STRUCTURE WITH ARRAY FORMAT FOR CREATING

CUBES.THIS REPORTS CAN BE SAVED WITH .IQD FILES

What is StarShema?

StarSchema: It is a logical database implement physically in the datawarehouse

with centralized fact table normalized, depends on the denormalized dimension

table.Advantages of starschema is slicing down, performance increase and easy to

understand the data.

It is possible with out same Queries (both Reports) we can build the drill trough

between them? And how?

Two Queries in two different reports can be different, but there needs to be a common

link b/w two queries based on which we can create a drill through (by passing Data

Item, Parameter)

1)what is the use of Deployement and Scheduling? 2)If you have a prompt in your

report , after scheduling the report will it run? 3)How can we move our reports from

one Environment to Another Environment? 4)What is the complex report in your project

and whar are the critical issues have u faced in u r reports and tell me name of some

recent reports have u created? 5)What are the limitations of value prompts?

deployment:moving an application from 1environment to another(ex:dev to testing

envi)

scheduling :we can run a report at later time at non peak hrs.while scheduling we 'll

select prompt values in scheduling tab so that data displayed acc to prompt.

complexity of reports in developing cdnl blocks &morecals.

limitations of value prompt is we cant diplay morethan 5000values at a time

What is the importance of Dimension in the cognos.

with out Dimension and Fact cannot make a relations between tables it could not be use

for joins and retrive the data as a form of reports in cognos

Dimension is a major subject area through which we can analysis our business.

Where in report Studio's property pane can I find NoDataHandler?

Select you List or crosstab or chart, go to properties pane, you can find the No Data

Handler, where you can give some message so that it displays that message(No data

found for this selection) when data is not there for passed parameters.

How to move reports one server to another server?

Server 1: In Cognos connection, under content

configuration(I guess thats the correct name) select new export. This brings up a new

window asking you to select the stuff u want to export. Select the packages/reports

or the whole content store and click finish. This will create a zip file in the servers

Deployment folder.

Server 2: Cut/Copy this zip file to Server 2's deployment folder. Then in Cognos

connection, select new import and select the file that you have just copied and follow

the steps. You are done.

I have 3 objects (list,cross tab and chart)in one page, when u run report display each

object in each page. how can i do?

you mean you want to display each report in separate page then you go for page wise

report drag the page from page explorer in page1 develop list report then again drag

the page from page explorer in page2 develop crosstab report again drag the page from

page explorer in page3 develop chart report like that if you have n reports you have to

Maintain n pages for that. If you want to run particular page right click that page u see

one option run this page like that we run any page according to our requirement

One more thing is Page Break option is not visible Here. Which is only for query items

not for objects I think this is helpful for u

How will optimize the performance of sql in FM ?

Using the governor setting, enabling the allow usage of local cache we can increase the

performance.

cognos is holap or molap or rolap

ROLAP---It is related to Cognos Reportnet.

MOLAP------------ It is related to Cognos8.

HOLAP--------- It is A combination of MOALP+ROLAP.

So that we will use in HOLAP in Cognos 8 BI Suite.

Note:

In Reportnet---doesn't have Drillup and Drill Down.

In Cognos 8 BI Suite can do Drillup and Drill down.

How do you test the performance of a report?

in cognos report studio we get the cognos generated Query copy that query and run it in

your Database

and run the same in report studio and compare the time ....

What is the use of lock and unlock

Unlock: merging the data cells

Loc: we can't merge the data cells

Is it possible to apply access manager user rights in impromptu?

Y we can do in Governor Tab...

How will you migrate your reports to QA environment?

1. Go to Conos connection

2. Then click on Tools. Select Content administration from the drop down menu.

3. Click on 'new export' icon in content administration page.

4. Specify a name and follow the steps.

difference between drill through and master detail report?

Master detail report: This relationship allows to merge a master query and detailed

query

A master detail relationship provides navigation from summary to detail with in a report

we cannot navigate to another report.

Drill throug report: A drill through allows you to navigate the information from summary

to detail from one report to another

A drill through is developed with two reports

1.parent report which contains summary data

2.child report which contains detailed data.

what is MemberCaption?

this comes under DMR ( Dimensional modeled relational ).

suppose we have REGION_ID and REGION_NAME.

While creating regular dimension level...

REGION_ID will treated as BUSINESS_KEY

AND

REGION_NAME will treated as MEMBER_CAPTION.

In the above regular dimension,

Using business_key ( REGION_ID ) we will display

member_caption ( REGION_NAME ).

What is PerformanceTunning Test?

1. Use local cache property set to NO.

2. Validate expression properly.

3. Use detail filters after auto aggregation instead of summarized filters.

4. Test with limited number of data.

5. minimize sql hard code.

6. Avoid Java script usage maximum.

7. Use sql having clause expressions.

8. Avoid usage of cognos functions Maximum.

How to schedule the report in Cognos? And i have 2 users u1,u2. how to schedule the

report for these 2 users(the 2 users will get result once for a week) but u1 get the result

on every monday to his inbox,and u2 get the result on every wednesday to his inbox.

Create two different Jobs, with two different sets of parameters and delivery schedules,

options. U can use the same report if you wish to send the report output as email

attachment. Or create a Report view if you wish to secure the Report outputs by user.

Hope that helps

How to add 2 different colors for alternative rows? i.e in a report all rows colors in

alternative colors(2 colors)

Suppose you are creating a report with two data items

Customer_Name and Total-sales respectively.

Create two new data items.

1.Dataitem1: Running-count([CUSTOMER_NAME])

2.Dataitem2: Mod([Data Item1],2)

Create a variable :

Boolean [Query1].[Data Item2]=1 or 0

Come to conditional explorer bar, select YES, under

properties select the background color.

Come to conditional explorer bar, select NO, under

properties select the background color.

Save report and run.

difference between stored procedure and function?

A Procedure is a sub-program that performs a specific action.

A Procedure can be called from PL/SQL Block or from another Procedure also.

A function is very similar to a Procedure. Both take arguments, which can be of different

modes. Both are different forms of PL/SQL blocks. Both can be stored in the database.

A procedure call is a PL/SQL statement by itself, while a Function call is called as part of

an expression. And a Function must return

what is alias what is shortcut what ia alias shortcut and diff among them if u know

explain clearly

If u perform any operations in alias it will not affect on the orginal data.

If u perform any operations in shortcut it will affect on the original data.

the above Ans is correct, alias is also a shortcut, but with different name, uses to avoid

loops

shortcut is pointer to original data

what are determinants?

To prevent double counting on multi fact/multi grain queries we need determinants on

query subjects that have multiple level of granularity used to aggregate facts.

What are variables in report studio?

1. String Variable 2.Boolean Variable 3.Language Variable

What is meant by Scheduling?

SCHEDULING MEHow you create security to cubes?

You can have user class views and dimension views. Dimension views help you to hide

or remove certain data from the cube depending on what view you are using. Then you

can use the user class views to the cubes for making that data available for a certain role

or group. You can also use both views in conjunction as a way to provide security.

Password protection is another way of providing security to the cubes.

What was the size of your cube?

It may have 300mb; 400mb depends on position,

Optimum size for cube is up to 2GB;

What are the enhancements in Cognos 10 than Cognos 8.4?

Cognos V10.01 New Features:

1) Active Report

2) Business insight

3) Business insight advanced

4) Business view point

5) Collaboration with Lotus Connections

6) Dynamic Query Analyzer

7) Individual user workspaces based on the Business Insight product

8) Lifecycle Manager

9) Statistics

10) Use Your Own External Data

What are user classes?

A user class is defined a group of users having same data

Access needs, restrictions and privileges

What is the difference b/w mdx and Sql?

MDX is a multidimensional expression, we can query directly to OLAP source by using

MDX and SQL is a structured query language, where as we can query to the RDBMS

source. When we r dragging the query items into the report area automatically MDX

generated that query will send to the OLAP source directly.

How do you use SUM function in Reportnet?

We have total() function in Expression Definition.

We can right click on the column and in functions block we have total() function

Why do we create shortcuts in framework manager

A shortcut is a pointer to an object, such as a relationship, a dimension, a query subject, or a folder. We

recommend that you use shortcuts in the business view when there is an overlap between user groups

and you want to include the metadata in more than one folder. With shortcuts, you can have multiple

references to an object.

For example, you create folders named Orders, Products, and Customers. If you want both Orders and

Customers to contain the same dimension, you must create a shortcut to the dimension and add it to

both folders.

Note: Two shortcuts to namespaces or folders must not have the same name in a model. For other types

of shortcuts (e.g., a shortcut of a query subject), the name must be unique within the parent namespace.

When you create a shortcut, Framework Manager does not set the Screen Tip and Description properties.

Unless you define these properties, the values shown in the IBM Cognos 8 studios are the same as those

defined in the object that the shortcut references.

For more info http://publib.boulder.ibm.com/infocenter/c8bi/v8r4m0/index.jsp?topic=/

com.ibm.swg.im.cognos.ug_fm.8.4.0.doc/ug_fm_id10543using_shortcuts.html

What is Model Versioning or Versioning in Cognos Framework Manager?

The versioning allows you to publish a package without impacting the current reports in

use. You can then perform a staged testing approach to move the existing reports to the

new package.

It's a protection against changes. Existing reports will continue to use the previous

version of the model until they are opened and resaved or the old version is phased

out by a subsequent model Publish. However, if you have a proper dev/test/prod setup

then the model versioning may be less useful because you should be doing some quality

control testing of your own before the model reaches production.

What are links & Segments in Cognos Framework Manager?

Segment: A segment is a project within a main project. A segment is owned by its main

project.

Link: A link is a shortcut to an existing project. The project that is linked can be shared by

multiple projects.

pls ans what are the filters we have in framework manager? filters in report studio?

In frameworm manager : 1. Stand alone filter 2. Embeded filter.

In report studio : 1. Detailed filter 2. Summary filter.

how to get the all values from a prompt using 'ALL' use and display value in prompt

In your value prompt add the static chioce as 'All'

and in filter put the expression as....

(column in (?Parameter1?)) or (?Parameter1?='All')

How do you drill through report from Report Studio to Analysis studio?

we have option like Analysis studito to report studio.

In Analysis studio right click goto Related link one new window will come .there u have

to select Reportstudio Report.

what is reprompt?

if u want to select multi items and we dont need finish button we use reprompt button.

In Cascading Prompt we have two things -:

1.) Single Select Auto Submit.

2.) Multi Select and Reprompt Button.

What is Stich Query in Reportnet?

Framework Manager generates a separate query for each 'FACT'

table and joins the result set. This is called Stitched query.

Where do you edit cognos sql in report studio?

1. Pause the pointer over the query explorer button and click the query you want.

2. In the Properties pane, double-click the Generated SQL/MDX property.

3. Click Convert.

4. Make the changes you want.

If you are working with MDX, you must be aware of the MDX syntax that Report Studio

supports.

5. Click Validate to check for errors.

6. Click OK.

how can you set the image in the report?

cognos has its sample images at the location

c:\\cognos installed location\\c8\webcontent\samples\images

If u want the images aother than cognos sample images then copy paste ur images at

the same location .

To set Image in report drag an image object it ur report

and set its URL property as cognos installed location\\c8

\webcontent\samples\images\ur image....

How can we create top 10 and bottom 10 records in the same list?

top 10 alway will be on some measure based on some dim not simply top 10 and

bottom 10,

make q1>

get the rank of the measure rank(measure for dim )<=10

make q2

the rank in the desecending order of measure

rank(measure for dim desc )<=10

make q3=q1 union q2

how u publish the packages in framework manager

1)first v need to create new cognos connection

2)using connection v need to import tables from our database

3)after that v need to create packages

4)after creating package v need to select that package and

rightclick then click on publish..................

what is the difference between count and running-count functions?

count(C) - it counts the no of values of a given item.

running-count(RC) - it sequentially numbers the rows being

displayed.

C RC Data Item

5 1 aaa

5 2 bbb

5 3 ccc

5 4 ddd

5 eee

hi, i am Having 2 Reports one list report,one crosstab report if i put 2 querys for 2

reports which query will execute first?if i put same query for both 2 which report i will

Get?pls pls pls Explain me...

The list report will execute first

because list shows the detail data where as the cross tab shows summarized data. So to

display cross tab it took more time compared to list

hi How Can we create rank in our report?

If u find the top 5 sal :

 Create quires with Product type, Quantity, create Rank column with rank(quantity)

Query1 give filter Rank<=5

 Change the filter Application property from Before Auto Aggregation to After Auto

Aggregation.

what is a join? what are the types of joins?

JOIN: A join is a query using which we can query data from more than one table

TYPES OF JOINS:

1.EQUI JOIN ,2.SELF JOIN, 3.OUTER JOIN > a.left outer join, b.right outer join, c.full

outer join ,4.cartesian join ,

hi Cognos Experts Pls Expalin me what is the diffence between list report query and

crosstab report query?pls explain me.....

List Query is simple select Query

Where as Cross tab query will have group by function used.

List will show data in detail level.

Crosstab will show data in summarized level.

For ex:

List

Product Price Year

1A 12 2012

2B 10 2011

1A 23 2011

2C 45 2012

1A 50 2011

Crosstab

 Year

Product 2011 2012

1A 73 12

2B 10 0

2C 0 45

suppose a value prompt contains 100 values and i want to select all values in that

prompt....i want ALL option in the value prompt? how can u keep this option in value

prompt?

In your value prompt add the static chioce as 'All'

and in filter put the expression as....

(column in (?Parameter1?)) or (?Parameter1?='All')

what is scope relationship?

Scop is a relation ship between regular dimension and measure dimension

what is the use of layout component reference ?

Layout component reference is used to reuse the report object.

What is difference between drill through and drill down?

drill through means navigating from one report to a different report in order to get

detailed data. while drill up/down is done within the same report.

drill through can be done in relational, DMR and OLAP data.

relational to relational

DMR to DMR or relational

OLAP to OLAP, DMR or relational

drill down/up can be done only on DMR and OLAP

Differences between Cognos Sql & Native Sql? What are their Advantages and Disadvantages?

Cognos Sql: This Sql is genreated by cognos on the behaf of

your query. It is good for your own calculation and for the

performance tunning also.

Native Sql: This is Sql based query which has typical database format and funcatons. All the caculation

done at database only.

what is the difference between a data item and a query item?

Query item is nothing but the coulmn of table or Query subject.Where data item is report column which

we use to design report and retrive the data of user eqirement.

how the values be passed to prompts in report studio? when a data item is dragged n dropped in to

report, after the default query generated first which sql will the query query hit for processing means

(native or cognos)?

1. Before executing the query. 2. first Cognos Sql generate

What is an open session command in cognos connection? what is it meant for?

open session command is used to connect to the database to the language defined.

What is loop in framework manager ?

Loop is an very dangerous exception in framework manager we can resolve the loop

create alias table. loop Dispaly wrong results in the reportnet.

A Loop is a Closed Path Circuit....

How u provide security to reports in report studio or in cognos connection?

You dont provide security in Report Studio. You will provide security in cognos

connection, you need to select the report, goto properties, permissions and here you

need to add a user or a group that will access this report. You can also define the kind of

access they will have on this report (ex: read or write). If you provide write access, the

other user will be able to modify the report in report studio.

Also, when a report is saved in a package or a folder by default it will inherit the security of the parent

folder/package.

What is slicer & dicer ? what is sub session parameter ?

slicer is a filter that is applied to the cells but not the rows or columns in a crosstab

HOW MANY LEVELS CAN BE USED IN DRILL THROUGH REPORTS ?

the question here is regarding drill thorugh reports. and there are no levels in drill

throughs. they are completely different reports. we can have as many drill throughs as

possible if it makes sense to create that many drill throughs.

ex: if we have a report on the year level then we can drill through on the year and then

go to a different report at the monthe level same way we can add drill through in the

second report which is at month level to drill through to a different report that is at the

day level and so on. so we

can have as many drill through reports as possible as far as it makes sense.

Can you use calculations in report headers and footers? How?

Insert a table as u need wid columns and from Insertable objects drag a layout caluculation and from the

functionsdouble click the function u need

ex:As of date(),as of time()

How will u execute a stored procedute from a reportstudio ?

When ever we run the report, SP will automatically run, if u use the SP columns in the report

How to Create users in cognos Access Manager from 1) front end 2) back end

User will be created always in back-end. Thru CAM u can give define role.

Purpose of Factless Facttable?

A factless fact is a fact table in which only primary keys of the dimension tables present

as foreign keys but no individual fact clomuns. According to Kimball

"Factless fact table are the preferred method of recording the events in the DW where there is no natural

numeric measurement associated with the event. Factless fact tables also are used to gurantee coverage"

How to create measures and Dimensions ?

By using the Framework Manager we can create measures and dimensions according to our business

needs.

How to create Events?

this is very simple we can do this on the event studio. create a new job with the report

to be executed/ bursted set the priority time and day of frequency on the settings and

save it. Now the job will be triggered and the result

can be saved to a folder/ emailed etc.

Can u please describe the different types of traps with eg. Thanks

There are two main types of connection traps:

 1. fan traps

 2. chasm traps

Fan traps

A fan trap occurs when a model represents a relationship between entity types, but

the pathway between certain entity occurrences is ambiguous. It occurs when 1:m

relationships fan out from a single entity.

Missing ALT text

 Figure : Fan Trap

A single site contains many departments and employs many staff. However, which staff

work in a particular department?

The fan trap is resolved by restructuring the original ER model to represent the correct

association.

Missing ALT text

 Figure : Resolved Fan Trap

Chasm traps

A chasm trap occurs when a model suggests the existence of a relationship between

entity types, but the pathway does not exist between certain entity occurrences.

It occurs where there is a relationship with partial participation, which forms part of the

pathway between entities that are related.

Missing ALT text

 Figure : Chasm Trap

 * A single branch is allocated many staff who oversee the management of properties

for rent. Not all staff oversee property and not all property is managed by a member of

staff.

 * What properties are available at a branch?

 * The partial participation of Staff and Property in the oversees relation means that

some properties cannot be associated with a branch office through a member of staff.

 * We need to add the missing relationship which is called `has' between the Branch

and the Property entities.

 * You need to therefore be careful when you remove relationships which you consider to be redundant.

What is the difference between macros and prompt?

A MACRO IS RUN TIME PARAMETER WHICH CAN BEPLACED IN ANY PART OF SQL SELECT

STATEMENT,WHERE AS PROMPT IS USED TO GIVE CONDITIONS

Macro is set of instructions to run report.

Prompt is just like a dialog box which will ask user to select/enter the information what he needs.

How to hide value prompt box and list when run report?

Hi, First u select the value prompt then in the property pane select box type is none then if u run the

report, value prompt box will be hidden.

if u having 2 pakages i want a report with report items in 2 pakages how to use the 2 pakages in single

report please ans me............

 We can't use 2 packages in a single report instead we can add query subject from

another package to the current package. we can do this in framework manager.

 Go framework manager then right click the namespace then select new query subject

then meta data wizard will display in that u select data source name and then select

database object in that select query subject related to the another package. then finish

the metadata wizard. finally again publish the package.

What is Render Variable?

when u want to hide the column based on some condition then we will go to the render

variable option.

what is the automation tool used for data warehouse testing???

We have few tools available in market for data warehouse automation. Like –Query

Surge WWW.Querysurge.com

How to test reports in cognos ?

We can test the report in 3 ways

1. By using 'validating the report oprion'

2. Run Report Option.

3. By im pliment an SQL query parallel to the requirement and finally check the result

with the report reslt. ie. the result return by the sql statemnt is coinside with the result

of the report.

 in the report contained data is correct or not.format is correct or not ,applyed filters

are running correctly or not. all this things are done in unit testing.and By using the sql

query analyser we doing the data valydating testing.

we can test the reports in 3 ways.

identify the static errors -> click validate buttonin the rs

identify the runtime errors->by executing the report validate the data by writing own sql

statements in the backend.

how to convert crosstab into list?

We can't convert cross tab to list, we can convert only list to cross tab

Re: In Report page i have three types like (List,Cross tab,Chart), using Conditional

Block i need only type of Report (Chart)at run time.How to do this I need The

Complete Steps to do this?

1) Create a prompt page 2) Drag Value Prompt 3) Create 3 static values List/Chart/

Crosstab

 4) set default value to chart

 4) create string variable and drag that value prompt parameter in that

5) create three string variables for List/Chart/CrossTab

6) In the report page select conditional block properties and point to that variable to

Block variable

 7) current variable point to>Chart then drag the chart into the conditional block

8) and do for remaining strings run the report

what is difference btw summary filter and detail filter, plz explain with example ?

Detail fiter is applied to whole body of the report.

Summary filter is applied to only at footer level.

For Example if we take Product Line, Product Type and Price and then take total on Price

and apply the filter saying Price > 20000 (detail Filter) then its going to display those

values which are greater than 20000 in body.

It will be oppsite in Summary Filter i.e for summary footer

its going to check the value which is greater than 20000 at footer level.

Basic difference between Detail and Summary filter in terms of SQL formation is:- Detail

filter comes under Where Clause

And Summary Filter comes under Having Clause after Group By

How can we publish package to QA environment not cognos connection?(if we have

two URL one cognos connection and qa environment how can we publish package to

qa?)Please anybody give me the answer.

You have to use Deployment tools provided by Cognos 8.

1) Select your package under cognos connection, tools-> Content administration-

>Export.

2) Go to the Deployment folder i.e., C8/Deployment in your source environment,

copy the package in a flash drive and place in C8/Deployment in your target(QA)

environment.

3) Now go to Cognos Connection in QA, Tools->Content Adminstration->Import the

package.

what is the use of layout calculation?

Layout Cal is mainly used for creating customized reports and runtime

information,pageno,report execution time,dynamic headers creating etc...

What is minimum version of internet explorer to run the Cognos report.

According to cognos 8.3 version minimum 6 version of internet explorer to run the

cognos its mandatory...

Where u can save the Report net documentation in our local system?

When ever we Install Cognos Server we get Get its Doccumenttaion Alon other wise we

can store it in Deplaoyment Folder of Cognos

Hi, How the relations will be exists in DMR models if u have any idea please explain

me ?

Scope relation ship, between regular dimension and measure dimension.

what are the joins present in reportnet?which is most widely used?

default join in F.M is inner join while creating the relation ship between tables . u can

change that by editing the join. Inner join is most widely used

What is snapshot ?

A SnapShot is a Permenant Local Copy Of The Report Data a

Sanpshot is Static DataSource it is saved with .imr File it

is suitable for Disconnected Network....

explain project, package ,model , modelers.........and differences b/w them?

Project: a set of model

Model: a set of query subjects, data sources, filters, calculation and so on....

Package: a subset of the model, that's created to be published to the content store, so

that we can use this package to create various kinds of reports.

Modeller: The person, who's creating Framework Models

suppose if u r report having 1000 tables i want to dispaly alternate rows means 1,3,...

how we specify that pleaes ans me

mod(rownum(),2)=0 with that expression use conditional style.

can we join 2 different queries? One has 10 columns and other has 5+ columns?

yes you can join two diff queries based on common key data item, you cannot union

them ( for union both queries must have similar data items and order of the items

What is the difference between filter & Condition?

Filter gets the necessary records and it is reusable

Condition retrieve the output based on the selection criteria

How to create users and permissions in cognos?

in content manager--we have one component called cognos process manager.

using process manager we can integrate with third party tools like LDAP or NTLM. we

can not create users in report net directly. in real time we can use LDAP.

A list box contains 1000 records, while running the list, inside the header the content

has to scroll down. Note the header should not go up?

go to stucture menu then click headers & footers

and click perminent header check box.

How do we implement Check Box Prompt in COgnos Report Studio?

In Value prompt apart from setting the Multiselect property to 'Yes' we need to set

select UI property to 'Check box group'

How to select multiple values from Type-in prompt? Example - I want to enter into

type-in prompt in 'Product name--- Liza' display report data in 'product name is Leza'

only OR I want to enter into type-in prompt in 'All', that time display report data in all

are report data. How is possible this Scenario using in type-in prompt.

By using the following condition as the filter for the textbox prompt we can get the data

for the specified product as well as All products when we type ALL in textbox prompt

Product name = ?P_ProductName? or 'ALL' in (?P_ProductName?)

what is crosstab space?

To add space to the crosstab to add description inside a crosstab, we use crosstab

space.

what is Associated grouping? and how it works in cognos impromptu?

You can associate one or more data items with a grouped data item. An associated data

item should have a one-to-one relationship with the grouped data item. For example,

Order No. is a grouped data item. For each order number, there is

an Order Date. Order No. and Order Date have a one-to-one relationship.

what are typees of dimensions?

Conformed Dimension,Degenarated Dim,Junk dim those all are concepts in DWH. But in

Cognos we have some more dim like Regular dims,Measure dim

 Regular Dim Mainly it is used for drill up and drill down purpose. It contains Hierarchial

structure. It have three propertise having Business key,member Caption,member

description.

What is Index?

Index is one of the databse object.it is used to quickly locate the particular record.

i.e.if a table contains thousand's of record, in which retrieving the particular record is

difficult.so if we create index in primary key column, we can retrieve particular record

very soon. so we can save the time.

ex.create index indexname for tablename of columnname

can anybody tell me when do use 'running total'...give an example for the usage of

running total

If you want see the day wise total that situation use running total function.

what is the difference between cascading prompt and drill-thru ?

1.cascading prompt means which takes values from another prompt.

2.cascading report work based on condition.

1.Drill through is to navigate summary information to detailed information.

2.Drill through report works based on the data item what we select as a drill through

options.

Wht is difference between content store and content manager?

A content store is a data base which stores the meta data of the reports.when we

publish the project from framework manager it will save in the content store. But where

as a content manager is a service which is available in dispatcher. which it manages the

security. It contains the access manager.

what is the security module used in cognos?

the security module used in cognos is cognos access manager.

fiscal year means what???

Fiscal year means financial year.

fiscal year means calculating year from April to march.

What are the differences between Cognos 8 and Cognos 7.x version?

1.Additional add-ons like Event studio, Analysis studio, Metrics Studio.

2.In Cognos 8 framework manager we can create dimension map i.e.(levels for

hierarchies)

3.In Cognos 8 Report studio data items are created directly in Query explorer, but in c7

we create data items in tabular model. In c8 tabular model is excluded

4.In Query studio: conditional formatting, drill down and drill up is extra features of c8

when compared to c7

Hi, I got a requirement wehre in in a drill through report , in parent report i have a

column of numbers on which i have to apply drill through to child report.The condition

is in that column if the number ia not zero the drill through link should appear (i.e.,

1 to 9) if its 0 or negative number link should not appear. How ? Help would be

appreciated

Hi

Lets say I have a report and columns like

 Class Student

 1st Std 10

 UKG 6

 Pre KG 0

Steps:

1) create a Boolean varible like student>0

2) go to report and select Student cell not the column

3) unlock the object

4) delete the student from the cell

5) drag the conditional block into the cell

6) go to contional block properties and block variable

point to already created boolean variable

7) then current block set to yes

8) drag the student again to this conditional block

9) create the drill throuh for this yes block

10) now change the current block to No

11) then drag the student again into the cell

12) run the report.

What is a dashboard in Cognos Report Studio and how do we creae it ?

Dashboards communicate complex information quickly. We can see list reports, cross

tab reports, charts and multilingual Reports in a single page.

what is mean by cognos powerhouse?

PowerHouse 4GL is an application development environment that allows you to create

business applications quickly and easily.

what is the meaning of aggregation and rollup aggregation? Difference between

layout calculation and query calculation? How do you hide the rows that have null

values? why we use query studio? what is the use of query studio compared to report

studio?

aggregation is the grouping of data roll-up is the extension of aggregate caluse.

Query calculation is used for calculated data items and layout calculation is used for

run-time information.we can supress null values by dataformat Querystudio is used for

simple,ad-hoc reports

what is report burn and where it occurs

file menu->burst options,a separate window opens here to check ,

to make a report for bursting,and to specify burst reciepient and burst key dependinding

upon those the report is ready for bursting after that click on ok.

How to cretae a Template?

just take a blank report and put what ever attribute you need like page headers,page

footers, date,time,url's,photo etc.. , and then go to file menu and click CONVERT INTO

TEMPLATE.

Can we import the cube into FWM? If yes how & what is the necessity to import it? 2.

What is the use of TABULAR OBJECTS? Repeated Question

We can import the cube as a data source into the Framework Manager.We can publish

the cube without going to PPES and developers can create analysis reports in the report

and analysis studios.

What are the differences between Cognos 8 and Cognos 7.x version?

1.Additional add-ons like Event studio, Analysis studio, Metrics Studio.

2.In Cognos 8 framework manager we can create dimension map i.e.(levels for

hierarchies)

3.In Cognos 8 Report studio data items are created directly in Query explorer, but in c7

we create data items in tabular model. In c8 tabular model is excluded

4.In Query studio: conditional formatting, drill down and drill up is extra features of c8

when compared to c7

what is an associated query?

The data item linked to the group data item. the associated data item suppress the

duplicate values but do not generate A control break. it display the only one value of

associated Column.

What are the uses of query explorer? Give example for each use in detail. It is not

given clearly in user guide so explain in detail.

ACTUALLY THERE ARE 3 EXPLORERS

1)PAGE EXPLORER

2)QUERY EXPLORER

3)CONDITIONAL EXPLORER

IN QUERY EXPLORER WE CAN PERFORM UNION,INTERSECTION,MINUS

(EXCEPT) ETC OPERATIONS ON QUERIES AND REPORTS.

I have four region(Us, Uk, Canada, Europe) in my value prompt. Along with this I want

new prompt called All. Once I click on All it should display all regions data. How can I

achieve this ?

In your value prompt add the static chioce as 'All'

and in filter put the expression as....

(region column in (?Parameter1?)) or (?Parameter1?='All')

can reportnet supports cubes???

No there is no option for calling the cube in the Roportnet

Environment . These option is available in Cognos 8

I want to display popup menu or alter message in my report? How to you solve this

problem? Give me the answer with example?

using JavaScript in html item

What is Busschema?

Busschema is the way to identify the conformed dimentions across the business

processies known as datamarts

How can we improve performance in framework manager level?

Make sure that Data is imported from only 1 data source with out any duplicate data

sources created .Duplicate DS will get created when you import New query subject from

the Database or Refresh the existing Query subject with the

name as 1 appended to the existing DS.

Make sure there are only few CASE statements,DECODE statements where ever

required.These hampers performance.

Make sure there are no loops between query subjects.

BY Checking the Governor Settings we can improve the Performance.

We have many Governor Options. Based on Situation we will use.

How to select all in value prompt instead of cascade prompt?

writing the filter condition

first select value prompt in properties pane add all to the static choice

in filter condition add extra condition using and operator

---------and ?parameter1?='all'

how u burst the reports? if u r bursted reports is not reached to destination how u

identify???

single report is sent to different users this is known as bursting . for bursting mailing

server should be configure with cognos server.If this is connected bursting is

possible.If it reaches the destination then it comes to sent mail or you will get a bounce

mail to your inbox.

does query is created for date prompt?

no, date prompt ,generated prompt ,text box prompts are not created queries

How to apply sorting to Crosstab report? If so please give me example? 2.How to

create Report level Joins?explain with example?

Suppose take a product table containing product name and product no.product number

to column and product name to row.

select the column name product and sort it using the sorter given in the tool bar either

in Ascending or in Descending.

Can i apply drill through on master detail relationship report?

Yes... you can....

How can I change reports to another package???

Go to Public Folder in Cognos connection

Go to the current package that report is using In front of the report click on the set

properties icon.

In set properties page the last pane is package at the bottom.

there click on link to a package. then select the new package and ok.

Or

goto file menu select reportpackages

How to improve report performance except limited local processing?

To improve performance of a report we can approach these method

In database level:

1)In this level to improve performance create indexes to improve the performance.

In model level :

1)you can remove loop's at that time you can improve performance at model level

2)use indexes you can improve performance

3)Change the property of query processing to Limited local or database only.

In report level:

1)you can reduce the calculation and conditions in the report

2) you can limit the cut copy paste operations for user's

3) you can limit access no of report's at peek time you can improve performance at report level

4)in the report studio query properties we can set query exccution method to

concurrent.

In Drill through, Reports are executing successfully when rename & run the created

reports? Pls tel me the reason?

Go to Drill through report (Edit existing ) and browse give

the report( What you have modified )

what is differences between the group span and levelspan

Both r having same functionalities in cognos 7 version we have to use level span and in

cognos 8 version we have to use group span

Can we create a cube in a Transformer from multiple IQD's ?if so, how? 2.Also ,

explain some of the best practises used ,while creating a cube in powerplay

transformer.

yes we can create cube from multiple iqd's , we have to first import the primary

datasource which contains most of the structural data item required for the cube

creation, and then other sources,by inserting the data source

separately.

Good practises:

1. we can incrementally update the cube.

2.check the cube status periodically

3.run the test cube with a small amount of data.eg., if you

have 1000 records , we can assign 300 records from each

data source and perform a sample test cube.

4.we can do partition, to improve the runtime performance.

Column level security in report

a column is nothing but a data item that comes from the framework side. so the

solution lies in your own question. you have to do an object level security at the

framework side to hide the particular data item or the query item

What is the Main Difference between Conditional Block and Render Variable in

Cognos. Both are used for Condtional rendering.But what is the Main Diff?

In conditional block the object you put in the block(list, crosstab etc) can be made

invisible or not depending on the variable. While in case of render variable only

the column that you want to cut off from ur report will be rendered by the variable

condition.

Can we use 2 packages in report studio at a time is there any alternative for this

In cognos at a time we can use only single package to create any specific report....

what is prompt types of prompt example briefly each types of product (eg:values,

date,search,prompt etc.)

VALUE PROMPT: Value Prompt Retrieves data based on values that you select from a

list.Use this control to show the list of possible values from which users can choose.

Note: The maximum number of items that can appear in a list is 5000.

SELECT AND SEARCH PROMPT:Select & Search Prompt Retrieves values based on search

criteria that users specify. Data is then retrieved based on values users select from the

search results. Use this control instead of a value prompt if the list of

values is very long, which can slow down performance. Tip: Users have the option of

performing a case sensitive or case insensitive search. A case sensitive search is faster,

while a case insensitive search usually returns more values. You cannot use this control

if you are working with SAP BW data sources.

DATE PROMPT:Date Prompt Retrieves data based on a date that you select. Use this

control when you are filtering a date column. With this control, users can retrieve data

for a specific day, a set of days, or a range of days.

TIME PROMPT:Time Prompt Retrieves data based on a time that you select. Use this

control to restrict a report to a particular time or time range. For example, you can use

this control to see how many orders are received after business hours. You can then use

this information to determine the number of staff needed to work

After hours.

DATE AND TIME PROMPT:Date & Time Prompt Retrieves data based on a date and time

that you select. Use this control when you are filtering a datetime or

Timestamp column. This control is useful for specifying ranges. For example,

you can retrieve all orders received from Monday at 12:00 a.m. to Friday at 5:00 p.m.

INTERVAL PROMPT: Interval Prompt Retrieves data based on a time interval that you

specify. Use this control to retrieve data that is related to the passage of time. For

example, you can use this control to retrieve a list of products that were returned 30 or

more days after they were purchased.

TREE PROMPT: Tree Prompt Retrieves data based on values you select from a list.

Values are organized hierarchically. This control is useful when you are working with

dimensional data sources. Data is shown from the top of a dimension hierarchy to

the most detailed member, and users can choose the level of detail they want to view in

the report.

GENERATED PROMPT: Generated Prompt Selects a prompt control based on the data

type of the data item. This control acts like a placeholder. When you run the

report, the control is replaced by the appropriate prompt control. For example, if you

are prompting date values, the control is replaced by a date & time prompt.

Which service handles requests for cognos connection,query studio and event studio.

it's web service

If we run a report, that has 2 pages, i want to display one page in HTML format and

another page wil display in pdf format. What is the procedure?

use report function

case

when report output()='PDF' then 'PDF'

when report output()='HTML' then 'HTML'

end

use this condition in rendor variable then u ll get

What do you do to make a report result in showing 4 different regions in an xl sheet in

individual sheets(like Region1-sheet1,Region2-Sheet2 soon)?

Select the regions data item and click on "Set Page Break" from structure menu.

Run report in Excel you will have different sheets for each region.

What is render variable?Where do you exactly use in developing a report?

Render Variable: - Specify a variable based on which object can be conditionally

rendered.

Style Variable: - Specify a variable based on which object can be conditionally styled.

Example for Style Variable

In a report in a list if u want to display every alternate row with particular color in this

case

1) create a data item with name running-count with function "running-count" on

particular unique column

2) now create one more data item as mod with functon "mod" on that running-count

data item

3)create a boolean varibale with expression mod 1

4)go to the page select List column Body style

5)In properties pane select Style Variable as boolean variable

6)click on YES variable and set its Foreground color as RED

7)click on No variable and set its Foreground color as Yellow

now run the report

Example for Render Variable

if the case is like you want to see the particular page in HTML or PDF or CSV format then

1)Create 3 pages in your report

2)every page conatins some specific data

3)name these pages as HTML PDF CSV

4)create a String vaiable with 3 values as HTML PDF and CSV

5)now in string variable put expression as .....

case

when ReportOutput() 'HTML' then 'HTML'

when ReportOutput() 'PDF' then 'PDF'

when ReportOutput() 'CSV' then 'CSV'

end

6)now go the page named HTML and select page object

7)in properties pane click on Render Variable select that string variable

8)check only HTML check box value for HTML page

9)repeat step No. 6 to step No.8 for remaining 2 pages.

what are the applications of the tabular model ????

we use view tabular data option to view the data in the object before running the

report? tabular model is used to select the query item's in report net 1.1.it refers simple

list query.

What are differences between Reporter report and Explorer report?

Many differences are there..

ER is default report type. which creates the report by taking first two dimension row and

cols?

RR gives blank report ,where u can add u r dimension of u r interest.

Use ER to replace existing categories in an Explorer report,

what are the tabs in cognos ?

By default in cognos connection potal there are two tabs.

1)Public Folders

2)My Folders

Hi everyone, In my report i have ten pages like page1,page2, upto page10, i have

textbox prompt when i enter 1 page1 should display,when i enter 2 page2 should

display,can anyone suggest the answer.

crate a string variable like

if(paramdisplayvalue(parameter)=1 then page1 else

if(paramdisplayvalue(parameter)=2 then page2

------

---

-

and then add values like 1,2 upto 10

use conditonal styles

how to create calculate column in report studio

Using query calculation we can create a new calculated column.

how to access the database directly from cognos reportnet

Through Pass Through SQL available in cognos...

What is stitched Query?

stiched query sends two seperate queries to data siurces and merge them internally.

can any body clesrly explain about types of query subjects.that is data source query

subject,model query subject,stored procedure query subjects?

Three types of query subjects are there:

1.default datasource querysubject

2.model querysubjects

3.stored procedure querysubjects.

1.Datasource querysubject:-Datasoure query subjects contain sql statements that

directly reference data in a single datasource.Framework manager automatically creates

a datasource querysubject for each table and view that you import into model.

2.Model querysubjects:-Querysubjects which created from model (querysubjects &

queryitems)sources are called model querysubjects.

3.Stored procedures:-Querysubjects which created from Stored procedures are called

Stored procedure querysubjects.

what is the difference between rollup aggregation and aggregation ?

aggregation : it will sum up all group column data.

Roll up aggregation : it will sum up group wise data.

How can we change any header or footer for a group of reports

By using layout component reference

what is physical layer and presentation layer?

Physical layer-The physical layer provides the physical query layer and is made up

primarily of data source and stored procedure query subjects .It acts as a foundation for

presentation layer.

Presentation layer-The presentation layer makes it easier for report authors to find

and understand their data .The presentation layer is made up primarily of model query

subjects that you create

How we check the errors before running the report,plz let me know the answer

before u run a report ..u have an option called 'valididate report' in run menu..

then u can find the errors what u made

im having null data in one of the cell in my report i have to display as "no data" when u

run the report how can i achive this problem?

1.select the query item in the list which contains null value.

2.if it is char data type then click the data format in

properties.

3.select the format type text,

4.In the missing value enter the text as "no data".

5.so that you will get the output when it contain null values.

1) click on query item that you have draged from the layer.

2) click on LIST it was in the properties

3) then in the properties you will find NO DATA CONTENTS make it as YES

4) drag TEXT ITEM from tool box properties and type your MESSAGE

5) Run the report

What is the use of Excel files in Cognos8?

The use of excel in cognos is we can modify it and we can view it in different pages as

per our requirments and we can publish different sheets to the different users.

what is model and how to create model and how to test model?

Model is--------Nothing but designing the database. According to user requirement.

Model---------- It contains meta data which is related to bussiness reporting

Information.We import this data from the database.

Why we need to create Views.

For better organizing the metadata we need to create views.

-----------Databaseview(Physicallayer),

-----------Businessview(presentationlayer).

what is tabular set? how can you break the report?

1. Tabular Set: Tabular set object returns a single result set using UNION, INTERSECT or

MINUS operators.

2. Breaking the report: Question is not clear.. because, using tabular set, we combined

two model or query using UNION, INTERSECT or MINUS operators.

what does my folder and public folder contains? difference between the my folder and

public folder?

Public Folder is nothing but shared folder. My folder is nothing but personal folder. Any

body can share the folder and show the reports(PUBLIC FOLDER) but it is not possible in

my folder.

hi Here ive question on Reportnet when we save a report in reportstudio with what ext

it save

Hi all when v save one report in reportstudio,it does not have any extension.just v can

see the result in diff formats(xml,pdf,html,csv...).so there is no extension 4 a report in

reportstudio.

what is the difference between group and association?

In cognos 'group' is used to suppess the duplicate values..and 'associate' is used to

suppress the values if it is one-one relationship.

what r the names of the reports that u prepared???

i developed below reports

Daily Client Order Summary.imr

Daily Junior Loan Policy.imr

Daily Vendor Completed.imr

Flood Turn Time Report.imr

Sales Report Property.imr

Sales Report TitleIns.imr

TITLE ORDERS OPENED NON INSURANCE.imr

1.how do nyou configure link between fwm and database (source).if you created fwm

where it will be? and if you create reports where it is stored? 2.what is spic shot in fwm?

1. To create link between FWM and DB(Source)

 Open FM-->File-->New Project-->it will ask you to select DATA Sources..we can select

new DS to create or existing to connect.If you select 'new' it will ask for type of ds

(Oracle,sybase) and click next then give Connection string and userid/pw .then test for

connection.if the connection is succeeded.connection is established between model and

DS.

2. Once model is created..it will be stored under projects in location where

C8 is installed. (eg) if your modelname is 'sample' then it will be stored

as 'sample.cpf'..C:\Program files\C8\samples..

3. I you create reports..it will be stored as specification in .xml file.

When we use consume in cognos?

It is a type of role that as read, execute and traverse capabilities.

what are the joins present in reportnet?which is most widely used?

inner join, outer join,cross join mostly inner join is used in reportnet.

can you apply grouping on crosstab?

No, we can't apply grouping to crosstab, because the crosstab is already grouped. The

data displayed in crosstab is grouped data,

So, If you try to apply grouping it will not take.

What is meant by DSS?

Decision support system is to analyze the data to decision making

Difference between impromptu and reportnwt1.1

Imprompt :

- Imprompt is one of the component of Cognos-7.

- Windows based,

- Its 2-tier archetecture.

- Its used to create Catelog & Report.

ReportNet1.1 :

- Its next version of Cog-7.

- Its 3-tier archetecture.

- It's got following component..

 1. Framework Manager - Windows based-used to develope model / poackages.

 2. Cognos Conection - Web Based

 3. Query Studio - Web Based-Used to create simple report.

 4. Report Studeo - Web Based-Used to Create complex report.

What is parameter maps & Session parameter?

parametermaps are nothing but key value phases which are used to work with local

languages.the defalut language is en. it has two values 1)key (must be unique)2)

values(subtuite).

session parameters are variables such as user and run local.

Diff b/w MOLAP and ROLAP?

MOLAP: OLAP which comminicates with the Multi Dimensional Analysis.

ROLAP is Relational OLAP.

what is dimention?explain dimentable with example?

Dimensions are categories by which summarized data can be viewed.

 A dimension table is a table that contain summarized data and historical data.The

dimension table has foreign key - primary key relation with fact table.

how to create relationship between emp and salgrade tables in frameworkmanager?

create one datasource query subject in FM. and write a sql

like

 select emp.name,emp.salary from emp,salary_grade

where emp.salary between salary_grade.low_salary and

salary_grade.high_salary.

this is called non equal joins. like this you can create

relationship between this two table.

What is Dynamic Grouping? what is diff between grouping n levelspan?

1. Group : It's used to suppress the duplicate values.

2. Levelspan: It's used to suppress the duplicate values associte with group function. Its

having one-one relationship.

tyes of security in cognos?.how to use rank function? 2.what is content store? 3.what is

content manager? 4.how 2 use rank function?

*Your security strategy concentrates on three main areas:

• Authentication – who are your users? Your information should be readily accessible

but only to the right people.

• Authorization – once they are authenticated, what do your users have permission

to access? Each person or group of people may need to know different things, even as

detailed as the column or row of data.

• Encryption – how do you protect both data transmissions and storage?

*You can use the Rank function when you want to sort out the data.....for example:

when you want to display the nth highest employee....then you can use Rank function

also find out...

* Content Manager

provides a simple solution for managing access to corporate content in a web

environment via the upfront component. Upfront was not really designed as a complete

web site / portal content management solution (a point I find myself making again

and again to clients for whom I implement the (Cognos BI Suite). Although it serves

quite ably to allow you to flexibly customize, personalize, publish and manage content

(whether BI-related or not), within the realm of the corporate intranet and elsewhere,

it is limited with regard to sophisticated site component management (HTML and other

markup languages, text, hyperlinks, graphics, images and so forth). The provision in

its design to allow for the publication of, or linking to / from, non-Cognos documents

allows for versatility that can be highly useful, and Upfront often meets the business

requirements of many organizations right out of the box.

* Cognos content store

It stores the package information ....through Cognos connection, report authors

connect to content store and

generate the reports...

Any Questions on cognos or Sql please my friends mail me to

cognos.madhoo@gmail.com

how can we improve performance of the reports?

TO improve the performence of the report move all the calculations and filters from

report level to the frame work manager.

1. Check the Governor Settings.

2. Dont use the Not in function in the query.

3. Check the client/server balancing.

4. Avoid using complex calculations

5. Check the table qualifying and weighting.

In an existiing Framework model, how will you add a new column to the existing table?

First the new column shud reflect at the database

side.after that if we just say Update query subject then the new column is automatically

reflected in the physical layer.

What is Deployment?

Deployment is moving the cognos environment from the Development server to the

Test server for the testing purpose & subsequently to the Production server after

reports, cubes & packages are tested with zero defects (ideally)

why u need to publish the package?

Package manily contains of Metadate.With that data we develop the Reports according

to Client Requirement..

package is basic source for the Reportstudio Authors, query studio. however package is

used as a one of the input source for the transformer.

what is an sid (surrogate key)?

surrogate key: It has system generated artificial key values, which allows to maintain

historical records in the data warehouse more effectively.

what is the difference between enterprise data warehouse and data warehouse

Enterprise Data ware house is built for Entire Organization and mostly has Departments

as Data marts. Ex: Sales, Fin, Operations, Logistics, HR, CRM....

A Normal data warehouse is built for specific problems to give proper data (Cleaned and

Historical) for reporting tools. Ex Sales DWH (For In death Sales Analysis)

What is Conditional block? How do you use in a report?

Conditional block: Specify a variable based on which objects inserted into a block can be

conditionally rendered.

for example user can have option for List report or chart report when he runs the

report.

Try this out........CONDITIONAL BLOCKS

The goal of this report is to prompt users on which display they would prefer, a list or

a chart. To start, create a simple list report in Report Studio. Using the Cognos sample

data, product line, order method and revenue are added to the list. From the toolbox,

drag and place a pie chart below the list. Select the chart and in the properties pane,

attach this chart to query 1:

Now the chart can be populated from the data items tab.The consumers of this report

need the ability to choose between the displays they want to see. To accomplish this,

build a blank prompt page allowing them to select from a drop down list either list or

chart. Drag a value prompt to the prompt page with the following settings:



At this point hit ‘Finish”. The dropdown list has to be populated manually though the

static choices property of the value prompt. The two choices added are list and chart.



*You can leave the display value blank. If you do so, Report Studio is smart enough that

it will take the use value for the display value.Now that my prompt page is set, return to

the Report Page.

In order to conditionally display an object, use the conditional blocks object in the

toolbox. Drag this to the bottom of the report.



The next step is to attach the variable to the conditional blocks block variable property.

This variable is a Boolean variable that either equals a list or doesn’t.



We need to test if our parameter is equal to the value ‘List’. If the user selected List this

expression will evaluate to true, if the user selected ‘Chart’ from the prompt, then this

will evaluate to false.

After this step is completed there is a new property on the conditional blocks object

that tells us which block we are currently looking at. First, drag the chart into the ‘No’

block.

 Now, select the conditional block again, and switch the current block property to ‘Yes’.

The conditional blocks object appears empty because there is currently nothing in

the ‘Yes’ block.

 The final step is to drag the entire list inside the ‘Yes’ block.

Now when the report is run, the user will be prompted for their display of choice.

Diff b/w Dimensional modelling and Relational modelling?

Relational modelling:

Data modelling of transactional systems

Dimensional modelling:

Data modelling of decision support systems

What is IQD?What is contained in IQD?

IQD MEANS IMPROMPTU QUERY DEFFINITION,IT CONTAINS

MULTIDIMENTIONAL DATA STRUCTURE WITH ARRAY FORMAT FOR CREATING

CUBES.THIS REPORTS CAN BE SAVED WITH .IQD FILES

What is StarShema?

StarSchema: It is a logical database implement physically in the datawarehouse

with centralized fact table normalized, depends on the denormalized dimension

table.Advantages of starschema is slicing down, performance increase and easy to

understand the data.

It is possible with out same Queries (both Reports) we can build the drill trough

between them? And how?

Two Queries in two different reports can be different, but there needs to be a common

link b/w two queries based on which we can create a drill through (by passing Data

Item, Parameter)

1)what is the use of Deployement and Scheduling? 2)If you have a prompt in your

report , after scheduling the report will it run? 3)How can we move our reports from

one Environment to Another Environment? 4)What is the complex report in your project

and whar are the critical issues have u faced in u r reports and tell me name of some

recent reports have u created? 5)What are the limitations of value prompts?

deployment:moving an application from 1environment to another(ex:dev to testing

envi)

scheduling :we can run a report at later time at non peak hrs.while scheduling we 'll

select prompt values in scheduling tab so that data displayed acc to prompt.

complexity of reports in developing cdnl blocks &morecals.

limitations of value prompt is we cant diplay morethan 5000values at a time

What is the importance of Dimension in the cognos.

with out Dimension and Fact cannot make a relations between tables it could not be use

for joins and retrive the data as a form of reports in cognos

Dimension is a major subject area through which we can analysis our business.

Where in report Studio's property pane can I find NoDataHandler?

Select you List or crosstab or chart, go to properties pane, you can find the No Data

Handler, where you can give some message so that it displays that message(No data

found for this selection) when data is not there for passed parameters.

How to move reports one server to another server?

Server 1: In Cognos connection, under content

configuration(I guess thats the correct name) select new export. This brings up a new

window asking you to select the stuff u want to export. Select the packages/reports

or the whole content store and click finish. This will create a zip file in the servers

Deployment folder.

Server 2: Cut/Copy this zip file to Server 2's deployment folder. Then in Cognos

connection, select new import and select the file that you have just copied and follow

the steps. You are done.

I have 3 objects (list,cross tab and chart)in one page, when u run report display each

object in each page. how can i do?

you mean you want to display each report in separate page then you go for page wise

report drag the page from page explorer in page1 develop list report then again drag

the page from page explorer in page2 develop crosstab report again drag the page from

page explorer in page3 develop chart report like that if you have n reports you have to

Maintain n pages for that. If you want to run particular page right click that page u see

one option run this page like that we run any page according to our requirement

One more thing is Page Break option is not visible Here. Which is only for query items

not for objects I think this is helpful for u

How will optimize the performance of sql in FM ?

Using the governor setting, enabling the allow usage of local cache we can increase the

performance.

cognos is holap or molap or rolap

ROLAP---It is related to Cognos Reportnet.

MOLAP------------ It is related to Cognos8.

HOLAP--------- It is A combination of MOALP+ROLAP.

So that we will use in HOLAP in Cognos 8 BI Suite.

Note:

In Reportnet---doesn't have Drillup and Drill Down.

In Cognos 8 BI Suite can do Drillup and Drill down.

How do you test the performance of a report?

in cognos report studio we get the cognos generated Query copy that query and run it in

your Database

and run the same in report studio and compare the time ....

What is the use of lock and unlock

Unlock: merging the data cells

Loc: we can't merge the data cells

Is it possible to apply access manager user rights in impromptu?

Y we can do in Governor Tab...

How will you migrate your reports to QA environment?

1. Go to Conos connection

2. Then click on Tools. Select Content administration from the drop down menu.

3. Click on 'new export' icon in content administration page.

4. Specify a name and follow the steps.

difference between drill through and master detail report?

Master detail report: This relationship allows to merge a master query and detailed

query

A master detail relationship provides navigation from summary to detail with in a report

we cannot navigate to another report.

Drill throug report: A drill through allows you to navigate the information from summary

to detail from one report to another

A drill through is developed with two reports

1.parent report which contains summary data

2.child report which contains detailed data.

what is MemberCaption?

this comes under DMR ( Dimensional modeled relational ).

suppose we have REGION_ID and REGION_NAME.

While creating regular dimension level...

REGION_ID will treated as BUSINESS_KEY

AND

REGION_NAME will treated as MEMBER_CAPTION.

In the above regular dimension,

Using business_key ( REGION_ID ) we will display

member_caption ( REGION_NAME ).

What is PerformanceTunning Test?

1. Use local cache property set to NO.

2. Validate expression properly.

3. Use detail filters after auto aggregation instead of summarized filters.

4. Test with limited number of data.

5. minimize sql hard code.

6. Avoid Java script usage maximum.

7. Use sql having clause expressions.

8. Avoid usage of cognos functions Maximum.

How to schedule the report in Cognos? And i have 2 users u1,u2. how to schedule the

report for these 2 users(the 2 users will get result once for a week) but u1 get the result

on every monday to his inbox,and u2 get the result on every wednesday to his inbox.

Create two different Jobs, with two different sets of parameters and delivery schedules,

options. U can use the same report if you wish to send the report output as email

attachment. Or create a Report view if you wish to secure the Report outputs by user.

Hope that helps

How to add 2 different colors for alternative rows? i.e in a report all rows colors in

alternative colors(2 colors)

Suppose you are creating a report with two data items

Customer_Name and Total-sales respectively.

Create two new data items.

1.Dataitem1: Running-count([CUSTOMER_NAME])

2.Dataitem2: Mod([Data Item1],2)

Create a variable :

Boolean [Query1].[Data Item2]=1 or 0

Come to conditional explorer bar, select YES, under

properties select the background color.

Come to conditional explorer bar, select NO, under

properties select the background color.

Save report and run.

difference between stored procedure and function?

A Procedure is a sub-program that performs a specific action.

A Procedure can be called from PL/SQL Block or from another Procedure also.

A function is very similar to a Procedure. Both take arguments, which can be of different

modes. Both are different forms of PL/SQL blocks. Both can be stored in the database.

A procedure call is a PL/SQL statement by itself, while a Function call is called as part of

an expression. And a Function must return

what is alias what is shortcut what ia alias shortcut and diff among them if u know

explain clearly

If u perform any operations in alias it will not affect on the orginal data.

If u perform any operations in shortcut it will affect on the original data.

the above Ans is correct, alias is also a shortcut, but with different name, uses to avoid

loops

shortcut is pointer to original data

what are determinants?

To prevent double counting on multi fact/multi grain queries we need determinants on

query subjects that have multiple level of granularity used to aggregate facts.

What are variables in report studio?

1. String Variable 2.Boolean Variable 3.Language Variable

What is meant by Scheduling?

SCHEDULING MEANS EXECUTING THE REPORT WHEN EVER DESIRED AUTOMATICALLY

WITH OUT ANY MANUAL INTERACTION.

SCHEDULING IS DONE AT COGNOS CONNECTION.

SCHEDULING CAN BE DONE BY HOUR

 BY DAY, BY WEEK, BY MONTH, BY QUARTER, BY YEAR, BY TRIGGER.

How to crate cubes in transformer ?

1.Analyze user reruirements

2.Determine the source data

3.Build the model and define source data

4.Organise the dimensions,levels,categories,measurses

5.Refine the model

6.create the required cube and consider cube

groups;location where to sstore cube

7.give access privileges for each user

8.Deliver the cube based on user located

9.Distributed the cubes via vss or any other resources

10.give the production supportANS EXECUTING THE REPORT WHEN EVER DESIRED AUTOMATICALLY

WITH OUT ANY MANUAL INTERACTION.

SCHEDULING IS DONE AT COGNOS CONNECTION.

SCHEDULING CAN BE DONE BY HOUR

 BY DAY, BY WEEK, BY MONTH, BY QUARTER, BY YEAR, BY TRIGGER.

How to crate cubes in transformer ?

1.Analyze user reruirements

2.Determine the source data

3.Build the model and define source data

4.Organise the dimensions,levels,categories,measurses

5.Refine the model

6.create the required cube and consider cube

groups;location where to sstore cube

7.give access privileges for each user

8.Deliver the cube based on user located

9.Distributed the cubes via vss or any other resources

10.give the production support

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