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Cognos 8 and 10 Interview QuestionCognos 8 and 10 Interview Question

1) What is a Data Warehouse?1) What is a Data Warehouse?

A Data Warehouse is a collection of data marts representing historical data from differentA Data Warehouse is a collection of data marts representing historical data from different

operation data sources (OLTP). The data from these OLTP are structured and optimizedoperation data sources (OLTP). The data from these OLTP are structured and optimized

for querying and analysis in a Data Warehouse.for querying and analysis in a Data Warehouse.

2) Define Cognos Report Net?2) Define Cognos Report Net?

Cognos Report Net is the web-based, dynamic, business intelligence reporting solutionCognos Report Net is the web-based, dynamic, business intelligence reporting solution

from Cognos.from Cognos.

3) What are the tiers of the ReportNet Architecture?3) What are the tiers of the ReportNet Architecture?

The ReportNet architecture can be separated into three tiers:The ReportNet architecture can be separated into three tiers:

* Web server* Web server

* Applications* Applications

* Data * Data

4) Define Business Intelligence4) Define Business Intelligence

Business Intelligence is a broad category of application programs and technology used for Business Intelligence is a broad category of application programs and technology used for

query, Reporting and analyzing the business multi dimensionally.query, Reporting and analyzing the business multi dimensionally.

5) What is a Data Mart?5) What is a Data Mart?

A Data Mart is a subset of a data warehouse that can provide data for reporting and A Data Mart is a subset of a data warehouse that can provide data for reporting and

analysis.analysis.

6) What is HPQS ?6) What is HPQS ?

Data Marts are sometimes also called as HPQS (Higher Performance Query Structure). Data Marts are sometimes also called as HPQS (Higher Performance Query Structure).

7) What is multi dimension analysis?7) What is multi dimension analysis?

It is a technique to modify the data so that the data can be view at the different levels ofIt is a technique to modify the data so that the data can be view at the different levels of

details.details.

8) What are the responsibilities of Cognos Administrator? 8) What are the responsibilities of Cognos Administrator?

A Cognos Administrator is assigned with following responsibilities.A Cognos Administrator is assigned with following responsibilities.

1. Installations and configurations in distributed network environment.1. Installations and configurations in distributed network environment.

2. Creating the Repository (Content Store). 3. Perform back up and recovery of Meta2. Creating the Repository (Content Store). 3. Perform back up and recovery of Meta

Data.4. Developing the user Administration.5. Tuning the servers.6. Deployment.Data.4. Developing the user Administration.5. Tuning the servers.6. Deployment.

9) Responsibility of Cognos Architect?9) Responsibility of Cognos Architect?

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An Architect is responsible for designing the interface by fulfilling the userAn Architect is responsible for designing the interface by fulfilling the user

requirements.Once the interface has been designed it should be rigorously tested beforerequirements.Once the interface has been designed it should be rigorously tested before

distributing to the end user population.distributing to the end user population.

10) Roles of the Application Developer?10) Roles of the Application Developer?

Design the Reports according to the Report requirement templates. Design the Reports according to the Report requirement templates.

Testing the each report with the following types of tests. Testing the each report with the following types of tests.

a. Unit Testing b. System Testing c. Performance Testinga. Unit Testing b. System Testing c. Performance Testing

11) What is OLAP?11) What is OLAP?

OLAP stands for Online Analytical Processing. It uses database tables (Fact and OLAP stands for Online Analytical Processing. It uses database tables (Fact and

Dimension tables) to enable multidimensional viewing, analysis and querying of largeDimension tables) to enable multidimensional viewing, analysis and querying of large

amount of data.amount of data.

12) What are the types of OLAPs?12) What are the types of OLAPs?

1. DOLAP:-The OLAP tool which works with desktop databases are called as DOLAP1. DOLAP:-The OLAP tool which works with desktop databases are called as DOLAP

Ex:- FoxPro, Clipper, Dbase, Paradox.Ex:- FoxPro, Clipper, Dbase, Paradox.

2. ROLAP:-The OLAP tool, which works with Relational databases, are called as ROLAP.2. ROLAP:-The OLAP tool, which works with Relational databases, are called as ROLAP.

Ex:-Oracle, SQL Server, Tera Data, DB2.Ex:-Oracle, SQL Server, Tera Data, DB2.

3. MOLAP: - The OLAP tool, which works with Multidimensional databases, are called as3. MOLAP: - The OLAP tool, which works with Multidimensional databases, are called as

MOLAP.MOLAP.

Ex:- ESSBASE, Power CubeEx:- ESSBASE, Power Cube

4. HOLAP:- The OLAP tool which works with Relational databases and Multidimensional4. HOLAP:- The OLAP tool which works with Relational databases and Multidimensional

database, are called as MOLAP.database, are called as MOLAP.

Ex:- Cognos, Business Objects.Ex:- Cognos, Business Objects.

13) What is OLTP?13) What is OLTP?

OLTP stands for Online Transaction Processing. Except data warehouse databases theOLTP stands for Online Transaction Processing. Except data warehouse databases the

other databases are OLTPs. These OLTP databases are designed for recording the dailyother databases are OLTPs. These OLTP databases are designed for recording the daily

operations and transactions of a business.operations and transactions of a business.

14) What is an Interface?14) What is an Interface?

An Interface is a gateway between the user and database.An Interface is a gateway between the user and database.

An Interface contains a logical pointers which pointes to data in the Data Warehouse.An Interface contains a logical pointers which pointes to data in the Data Warehouse.

An Interface is isolates the complexity and diversity if data bases.An Interface is isolates the complexity and diversity if data bases.

A good OLAP Interface writes an efficient SQL read on accurate data from database.A good OLAP Interface writes an efficient SQL read on accurate data from database.

An Interface needs to be designed by fulfilling the report requirement.An Interface needs to be designed by fulfilling the report requirement.

15) What is the role of a Data Warehouse in creating the Interface?15) What is the role of a Data Warehouse in creating the Interface?

Data Warehouse acts as Source to the Interface.Data Warehouse acts as Source to the Interface.

16) What are the types of components installed while loading the Cognos Report Net16) What are the types of components installed while loading the Cognos Report Net

Software?Software?

When we install the Cognos Report Net Software there are two types of components getWhen we install the Cognos Report Net Software there are two types of components get

installed :-installed :-

1. Windows based components. 2. Web based components.1. Windows based components. 2. Web based components.

17) Define Windows based components?17) Define Windows based components?

A Framework manager is windows based modeling tool used for creating a project A Framework manager is windows based modeling tool used for creating a project

(interface).(interface).

18) Define Web based Components?18) Define Web based Components?

The following are the web based components. The following are the web based components.

A. Cognos connection B. Query Studio C. Report Studio D. Analysis Studio A. Cognos connection B. Query Studio C. Report Studio D. Analysis Studio

19) Components of Report Net:19) Components of Report Net:

1. Framework manager.2. Cognos connection 3. Query Studio 4. Report Studio1. Framework manager.2. Cognos connection 3. Query Studio 4. Report Studio

5.Transformer 6. Analysis Studio5.Transformer 6. Analysis Studio

20) What are the phases of the Cognos ReportNet Workflow?20) What are the phases of the Cognos ReportNet Workflow?

Plan, Manage, Model, Author, Consume.Plan, Manage, Model, Author, Consume.

21) What are the advanced features of Report Net?21) What are the advanced features of Report Net?

The Cognos Report Net has multilingual database accessibility.The Cognos Report Net has multilingual database accessibility.

The parameter maps are key value phase, which are used for working with local LanguageThe parameter maps are key value phase, which are used for working with local Language

that the default value is EN.that the default value is EN.

Framework ManagerFramework Manager

22) What is Framework manager?22) What is Framework manager?

Frame Work Manager is windows based metadata development or metadata modeling Frame Work Manager is windows based metadata development or metadata modeling


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tool for Cognos Report Net.tool for Cognos Report Net.

23) Why we need Framework manager?23) Why we need Framework manager?

To create the interface known as Project. To create the interface known as Project.

To create model the metadata derived from one or more data sources To create model the metadata derived from one or more data sources

24) How a project appears in a FrameWork manager?24) How a project appears in a FrameWork manager?

A frame work manager project appears as a folder that contains a project file (.cpf) andA frame work manager project appears as a folder that contains a project file (.cpf) and

the specific XML files that define the project.the specific XML files that define the project.

25) What are the Building Blocks in Frame Work Manager?25) What are the Building Blocks in Frame Work Manager?

The Query subjects are called Building Blocks in Framework Manager.The Query subjects are called Building Blocks in Framework Manager.

26) What are phases the workflow process consists in Framework Manager?26) What are phases the workflow process consists in Framework Manager?

The workflow process consists of the following phases:The workflow process consists of the following phases:

* Design and create project > * Prepare Metadata >* Prepare the Business View* Design and create project > * Prepare Metadata >* Prepare the Business View

* Create and Manger Packages >* Set Security > * Publish >* Manage the Project* Create and Manger Packages >* Set Security > * Publish >* Manage the Project

27) How you set the security Framework manager?27) How you set the security Framework manager?

To set the security you have to set as:* Define access to packages. >* Create security To set the security you have to set as:* Define access to packages. >* Create security

filters > * Define access to objects >* Define package administration accessfilters > * Define access to objects >* Define package administration access

28) Define Name Space?28) Define Name Space?

In security, a collection of user accounts and user groups from an authenticationIn security, a collection of user accounts and user groups from an authentication

provider.A Name Space is a container, which holds the Query Subjects.A Name Spaceprovider.A Name Space is a container, which holds the Query Subjects.A Name Space

uniquely represents the Query Subjects.uniquely represents the Query Subjects.

29) Can you delete Cognos namespace? 29) Can you delete Cognos namespace?

No, we cannot delete Cognos namespaceNo, we cannot delete Cognos namespace

30) What is the Cognos Namespace? And what it contains?30) What is the Cognos Namespace? And what it contains?

The Cognos namespace is the ReportNet built-in namespaceThe Cognos namespace is the ReportNet built-in namespace

It contains Cognos objects:It contains Cognos objects:

Groups , Roles, Sources, Distribution lists, ContactsGroups , Roles, Sources, Distribution lists, Contacts

31) What are the Groups and Roles?31) What are the Groups and Roles?

Groups and roles represent collections of users that perform similar tasks. Groups and roles represent collections of users that perform similar tasks.

32) What is Folder?32) What is Folder?

A Folder is used to organize the Query Subjects.A Folder is used to organize the Query Subjects.

33) Define Relationship?33) Define Relationship?

A Relationship is a connection that explains how the data in one Query Subject relates to A Relationship is a connection that explains how the data in one Query Subject relates to

data in other Query Subjects.data in other Query Subjects.

34) What is a Package?34) What is a Package?

A container for models, reports, and so on. Modelers create packages in FrameworkA container for models, reports, and so on. Modelers create packages in Framework

Manager to publish models to the ReportNet server.Manager to publish models to the ReportNet server.

35) What is Physical layer?35) What is Physical layer?

The Physical layer provides the physical query layer and is made up primarily of dataThe Physical layer provides the physical query layer and is made up primarily of data

source and stored procedure query subjects. It acts as the foundation for the presentationsource and stored procedure query subjects. It acts as the foundation for the presentation

layer.layer.

36) What is Presentation layer?36) What is Presentation layer?

The Presentation layer makes it easier for report authors to find and understand their 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 youdata. The Presentation layer is made up primarily of model query subjects that you

create.create.

37) Define function set:37) Define function set:

A function set is a collection of vendor specific database. A function set is a collection of vendor specific database.

The Expression editor lists the function sets for all available vendors. However, you can The Expression editor lists the function sets for all available vendors. However, you can

restrict the function sets, so that it lists only the vendors that you want to use in yourrestrict the function sets, so that it lists only the vendors that you want to use in your

project.project.

38) What is a Metadata?38) What is a Metadata?

Data about data is called as Metadata. The Metadata contains the definition of a data. Data about data is called as Metadata. The Metadata contains the definition of a data.

39) What is a Project?39) What is a Project?

When we work with a framework manager you work in a project. When we work with a framework manager you work in a project.

Project is a set of metadata organized for Report Authors according to the Business rules Project is a set of metadata organized for Report Authors according to the Business rules

and Model.and Model.


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A Project created appears as folder, which contains following files. A Project created appears as folder, which contains following files.

a. Project Name .CPF (Cognos Project File) > b. Model .XML > c. Preferences .XMLa. Project Name .CPF (Cognos Project File) > b. Model .XML > c. Preferences .XML

d. Custom data .XML >The files in the folder are unique to that Project.d. Custom data .XML >The files in the folder are unique to that Project.

40) Define Publish?40) Define Publish?

To transfer all or part of a Framework Manager model to the ReportNet server, so thatTo transfer all or part of a Framework Manager model to the ReportNet server, so that

report authors can use it.report authors can use it.

41) What a Project contains?41) What a Project contains?

A. A Model > B. Namespaces > C. Data sources > D. Parameter maps > E. PackagesA. A Model > B. Namespaces > C. Data sources > D. Parameter maps > E. Packages

F. Folders > G. Query Subject > H. Query Item >I. Relation shipF. Folders > G. Query Subject > H. Query Item >I. Relation ship

42) What is a Model?42) What is a Model?

A model in Frame work manager is a business presentation of the structure of the data A model in Frame work manager is a business presentation of the structure of the data

from one or more databases. Or A model is a set of related query subjects and otherfrom one or more databases. Or A model is a set of related query subjects and other

objects.objects.

43) What are Dimensions?43) What are Dimensions?

Dimensions are categories by which summarized data can be viewed.Dimensions are categories by which summarized data can be viewed.

44) What are Confirmed Dimensions?44) What are Confirmed Dimensions?

The Dimensions which are reusable and fixed in nature.The Dimensions which are reusable and fixed in nature.

45) What are Fact Tables?45) What are Fact Tables?

A Fact Table is a table that contains summarized numerical (facts) and historical data.A Fact Table is a table that contains summarized numerical (facts) and historical data.

This Fact Table has a foreign key primary key relation with a dimension table.This Fact Table has a foreign key primary key relation with a dimension table.

46) What are the types of Facts?46) What are the types of Facts?

The types of Facts are: The types of Facts are:

1. Additive Facts:- A Fact which can be summed up for any of the dimension available in1. Additive Facts:- A Fact which can be summed up for any of the dimension available in

the Fact Table.the Fact Table.

2. Semi-Additive Facts:- A Fact which can be summed up to a few dimensions and not for2. Semi-Additive Facts:- A Fact which can be summed up to a few dimensions and not for

all dimensions and not for all dimensions available in the Fact Table.all dimensions and not for all dimensions available in the Fact Table.

3. Non-Additive Fact:- a fact which cannot be summed up for any of the dimensions3. Non-Additive Fact:- a fact which cannot be summed up for any of the dimensions

available in the Fact Table.available in the Fact Table.

47) Define Query?47) Define Query?

A description of the data to be retrieved from a database. A description of the data to be retrieved from a database.

48) Explain about Data Source Query Subject?48) Explain about Data Source Query Subject?

Data Source query subjects contain SQL statements the directly reference data in a singleData Source query subjects contain SQL statements the directly reference data in a single

data source. Frame work manager automatically creates a data source query subject fordata source. Frame work manager automatically creates a data source query subject for

each table and view that you import into model.each table and view that you import into model.

49) When the default data source query subject is created?49) When the default data source query subject is created?

During the initial metadata import operation, a default data source query subject is During the initial metadata import operation, a default data source query subject is

created for each object you select (for example table) and creates the defaultcreated for each object you select (for example table) and creates the default

relationships between query subjects for you automatically.relationships between query subjects for you automatically.

50) How can you edit the data source query subject?50) How can you edit the data source query subject?

i. Apply or embed a filter > ii. Apply or embed a calculation > iii. Insert a Macroi. Apply or embed a filter > ii. Apply or embed a calculation > iii. Insert a Macro

iv. Insert a data source reference. > v. Change the SQL type. > vi. Change how SQL isiv. Insert a data source reference. > v. Change the SQL type. > vi. Change how SQL is

generated. >These all are we can find it in Edit definition window.generated. >These all are we can find it in Edit definition window.

51) What are the types of SQL?51) What are the types of SQL?

SQL is the industry language for creating, updating and querying relational data base SQL is the industry language for creating, updating and querying relational data base

management system. Types of SQL.management system. Types of SQL.

1. Cognos SQL 2. Native SQL 3. Pass-through SQL.1. Cognos SQL 2. Native SQL 3. Pass-through SQL.

52) Define Cognos SQL?52) Define Cognos SQL?

By default Cognos FM uses Cognos SQL to create and edit Query subjects. By default Cognos FM uses Cognos SQL to create and edit Query subjects.

Advantages: Advantages:

1. Can contain metadata from multiple data sources. 2. Have fewer database restrictions1. Can contain metadata from multiple data sources. 2. Have fewer database restrictions

3. Interact more effectively with Cognos applications.3. Interact more effectively with Cognos applications.

Disadvantages:Disadvantages:

You can not enter nonstandard SQL. You can not enter nonstandard SQL.

53) Define Native SQL?53) Define Native SQL?

Native SQL is the SQL, the data source uses, such as Oracle SQL, but you cannot uses Native SQL is the SQL, the data source uses, such as Oracle SQL, but you cannot uses

Native SQL in a query subject that references more than one data source in the project.Native SQL in a query subject that references more than one data source in the project.


1. Performance is optimized across all related query subjects.1. Performance is optimized across all related query subjects.

2. You can use SQL that is specific to your database.2. You can use SQL that is specific to your database.



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1. You cannot use SQL that the data source does not support for sub queries.1. You cannot use SQL that the data source does not support for sub queries.

2. The query subject may not work on different database type.2. The query subject may not work on different database type.

54) Define Pass-Through SQL?54) Define Pass-Through SQL?

Pass-Through SQL lets you use native SQL without any of the restrictions the data source Pass-Through SQL lets you use native SQL without any of the restrictions the data source

imposes on sub queries.imposes on sub queries.


1. You can enter any SQL supported by the database.1. You can enter any SQL supported by the database.


1. There is no opportunity for Frame work manager to automatically optimize1. There is no opportunity for Frame work manager to automatically optimize

performance. The SQL may not work on a different data source.performance. The SQL may not work on a different data source.

55) What are Query Processing Types?55) What are Query Processing Types?

There are two types of query processing.There are two types of query processing.

1. Limited Local: The database server does as much of the SQL processing and Execution1. Limited Local: The database server does as much of the SQL processing and Execution

as possible. However, some reports or report sections use local SQL processing.as possible. However, some reports or report sections use local SQL processing.

2. Database only: The database server does all the SQL processing and execution with the2. Database only: The database server does all the SQL processing and execution with the

exception of tasks not supported by the database. An error appears if any reports ofexception of tasks not supported by the database. An error appears if any reports of

report sections require local SQL processing.report sections require local SQL processing.

56) What is Query Subject?56) What is Query Subject?

A Query Subject maps to the table in the database. A Query Subject maps to the table in the database.

A Query Subject uses an SQL to retrieve the data from the data source. A Query Subject uses an SQL to retrieve the data from the data source.

A Query Subject is also known as Business View. A Query Subject is also known as Business View.

57) What are the types of Query subjects?57) What are the types of Query subjects?

1. Default data source query subjects 2. Model Query Subjects1. Default data source query subjects 2. Model Query Subjects

3. Stored Query subjects3. Stored Query subjects

58) What is a Query Item?58) What is a Query Item?

A query Item maps to columns to the database table. A Query Subject contains Query A query Item maps to columns to the database table. A Query Subject contains Query

Items.Items.

59) How can you restrict the tables retrieved by a query?59) How can you restrict the tables retrieved by a query?

By setting governors we can restrict the tables. By setting governors we can restrict the tables.

60) What is meant by Governors?60) What is meant by Governors?

To apply privileges and restrictions for a user class. Governor settings are used to setTo apply privileges and restrictions for a user class. Governor settings are used to set

restrictions on queries by user class, such asrestrictions on queries by user class, such as

1. Sorting on non-indexed columns 2. Outer joins 3. Suppress duplicates 4. Cross-product1. Sorting on non-indexed columns 2. Outer joins 3. Suppress duplicates 4. Cross-product

queries 5. Retrieval of large text items 6. Number of records 7. Number of tables 8. Queryqueries 5. Retrieval of large text items 6. Number of records 7. Number of tables 8. Query

execution timeexecution time

61) What is a User Class?61) What is a User Class?

A defined group of users with the same data access needs, privileges and restrictions.A defined group of users with the same data access needs, privileges and restrictions.

62) What is Scrubbing at Project level?62) What is Scrubbing at Project level?

According to the report requirements derive the new Items with the help of existingAccording to the report requirements derive the new Items with the help of existing

Query Items. This process is known as Scrubbing at Project level.Query Items. This process is known as Scrubbing at Project level.

63) How can you add the calculated data to a report?63) How can you add the calculated data to a report?

a. Summarize existing detail values predefined summary functions (such as sum, avg)a. Summarize existing detail values predefined summary functions (such as sum, avg)

b. Create new report items using data from existing report items.b. Create new report items using data from existing report items.

c. Use model calculations provided in the package.c. Use model calculations provided in the package.

64) What are the sources to create new Query subjects?64) What are the sources to create new Query subjects?

A new Query Subject can be created from the following sources. A new Query Subject can be created from the following sources.

1. Model (Query subjects & Query Items) 2. Data Sources (Tables and Columns)1. Model (Query subjects & Query Items) 2. Data Sources (Tables and Columns)

3. Stored Procedure.3. Stored Procedure.

65) What is Multi Database Access in Cognos Report Net?65) What is Multi Database Access in Cognos Report Net?

In Cognos Report Net a Project can be created from multiple databases. The databases In Cognos Report Net a Project can be created from multiple databases. The databases

can be either homogenous or hydrogenous.can be either homogenous or hydrogenous.

66) What are Parameter Maps?66) What are Parameter Maps?

A Parameter Map is a key value pair used in creation of conditional Query Subjects. A Parameter Map is a key value pair used in creation of conditional Query Subjects.

A Parameter map sub situates the values at the query at runtime. A Parameter map sub situates the values at the query at runtime.

67) What is the default formats of reports?67) What is the default formats of reports?

HTML, PDF, CSV, and XML.HTML, PDF, CSV, and XML.

68) What are the different ways to modify multi lingual metadata?68) What are the different ways to modify multi lingual metadata?

1. Macro :- To modify dynamically1. Macro :- To modify dynamically

2. Directly2. Directly


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69) What is a Macro?69) What is a Macro?

A Macro is a runtime object, which uses the parameter maps and session parameters inA Macro is a runtime object, which uses the parameter maps and session parameters in

developing the conditional query subjects.developing the conditional query subjects.

70) What is usage property? And what are different setting to set usage property?70) What is usage property? And what are different setting to set usage property?

It identifies the intended use for the data represented by each query item.It identifies the intended use for the data represented by each query item.

It determines the aggregation rules of query items and calculations.It determines the aggregation rules of query items and calculations.

The different usage property settings are:The different usage property settings are:

* Identifies * Fact * Attribute * Unknown* Identifies * Fact * Attribute * Unknown

71) What are the types of filters in Framework manager?71) What are the types of filters in Framework manager?

In framework manager we can create two types of filters.In framework manager we can create two types of filters.

1. Model filters 2. Query filters.1. Model filters 2. Query filters.

72) Define Model Filter?72) Define Model Filter?

A filter is a condition used to restrict the data displayed in the Report. A filter is a condition used to restrict the data displayed in the Report.

Model filter are reusable. Model filter are reusable.

73) Define Data restriction:73) Define Data restriction:

A filter is a condition, which restricts the amount of data displayed in the report.A filter is a condition, which restricts the amount of data displayed in the report.

74) What is condition?74) What is condition?

An expression that yields a Boolean value. Conditions are used in query expressions,An expression that yields a Boolean value. Conditions are used in query expressions,

query filters, and Boolean report variables that can be used for conditional formatting,query filters, and Boolean report variables that can be used for conditional formatting,

styles, data sources, layouts and blocks.styles, data sources, layouts and blocks.

75) Types of Conditions:75) Types of Conditions:

Conditions are of 2 types:Conditions are of 2 types:

1. Static Condition: - Condition doesnt change whenever you run the report.1. Static Condition: - Condition doesnt change whenever you run the report.

2. Dynamic Condition: -A condition can be kept on change whenever you run the report.2. Dynamic Condition: -A condition can be kept on change whenever you run the report.

76) What are the types of filters in Report Studio?76) What are the types of filters in Report Studio?

In the report studio we can find two types of filters. In the report studio we can find two types of filters.

1. Tabular Filters:- These filters are two types1. Tabular Filters:- These filters are two types

a. Summary Filters b. Detailed Filtersa. Summary Filters b. Detailed Filters

2. Grouped Filter2. Grouped Filter

77) What is a Loop?77) What is a Loop?

A Loop is a closed path which is resulted due to joints.A Loop is a closed path which is resulted due to joints.

A Loop causes performance degradation of query execution and wrong data will beA Loop causes performance degradation of query execution and wrong data will be

displayed in the report.displayed in the report.

A Loop can be resolved by creating the short cuts (Alias).A Loop can be resolved by creating the short cuts (Alias).

78) What is Alias Table?78) What is Alias Table?

An alternative name for a table generally used in self joins.An alternative name for a table generally used in self joins.

79) What are the uses of Alias Table?79) What are the uses of Alias Table?

The uses of Alias Table are :1. To resolve the Loops. 2. To create self-joins with in a table.The uses of Alias Table are :1. To resolve the Loops. 2. To create self-joins with in a table.

3. To Provide alternate join structure.3. To Provide alternate join structure.

80) What is Associated Data Item?80) What is Associated Data Item?

A Data Item linked to the group data item. Associated data item suppress duplicate dataA Data Item linked to the group data item. Associated data item suppress duplicate data

values but do not generate a control break. The associated column displays only one datavalues but do not generate a control break. The associated column displays only one data

values for the group with which it is associated.values for the group with which it is associated.

81) What is Automatic Association?81) What is Automatic Association?

The group association of a newly created summary. The location of the group where youThe group association of a newly created summary. The location of the group where you

create the summary determines its automatic association.create the summary determines its automatic association.

82) What is an Ambiguous Relationship?82) What is an Ambiguous Relationship?

An ambiguous relationship is where there are multiple relationship paths between one orAn ambiguous relationship is where there are multiple relationship paths between one or

more query subjects leaving multiple options for how to write a query.more query subjects leaving multiple options for how to write a query.

83) What is a Join and types of Joins?83) What is a Join and types of Joins?

A Join identifies the columns from one table that are used to link to another table. A Join identifies the columns from one table that are used to link to another table.

A Join is commonly formed by a foreign key definition within the database. A Join is commonly formed by a foreign key definition within the database.

Types of Joins :- 1. Equi-joins 2. Non equi-joins 3. Outer joinsTypes of Joins :- 1. Equi-joins 2. Non equi-joins 3. Outer joins

84) What is a dimension?84) What is a dimension?

A broad grouping of descriptive data about a major aspect of a business, such as products,A broad grouping of descriptive data about a major aspect of a business, such as products,

dates, or markets. Each dimension includes different levels of members in one or moredates, or markets. Each dimension includes different levels of members in one or more

hierarchies, and an optional set of calculated members.hierarchies, and an optional set of calculated members.

85) What is a Confirmed Dimension?85) What is a Confirmed Dimension?

If a Dimension is connected to multiple fact tables then it is called as ConfirmedIf a Dimension is connected to multiple fact tables then it is called as Confirmed


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Dimension.Dimension.

86) What is a Junk Dimension?86) What is a Junk Dimension?

A randomly used dimension is Junk Dimension.A randomly used dimension is Junk Dimension.

87) Define Surrogate Key?87) Define Surrogate Key?

It has system-generated artificial primary key values, which allows to maintain historicalIt has system-generated artificial primary key values, which allows to maintain historical

records in the Data Warehouse more effectively.records in the Data Warehouse more effectively.

88) What are the User Interface Components?88) What are the User Interface Components?

* Cognos Connection * Report Studio * Query Studio * Frame work manager* Cognos Connection * Report Studio * Query Studio * Frame work manager

* Cognos configuration* Cognos configuration

1. What is signicance of Framework Manager in Cognos Reporng?1. What is signicance of Framework Manager in Cognos Reporng?

ANS: Framework Manager is a metadata modeling tool. A model is a businessANS: Framework Manager is a metadata modeling tool. A model is a business

presentation of the information in one or more data sources. When you add security andpresentation of the information in one or more data sources. When you add security and

multilingual capabilities to this business presentation, one model can serve the reporting,multilingual capabilities to this business presentation, one model can serve the reporting,

ad hoc querying, and analysis needs of many groups of usersad hoc querying, and analysis needs of many groups of users

2. What is loop in framework manager?2. What is loop in framework manager?

ANS: Loop is closed path in ANS: Loop is closed path in IN FRAME WORK MANAGER DUE TO JOINSIN FRAME WORK MANAGER DUE TO JOINS report net it called as report net it called as

ambiguous relationship. That means a query subject contains multiple paths to retrieveambiguous relationship. That means a query subject contains multiple paths to retrieve

the data. It is an exception to resolve to create a shortcut on that query subject otherwisethe data. It is an exception to resolve to create a shortcut on that query subject otherwise

it displays wrong results in reports and performance is degrades.An undefined joinit displays wrong results in reports and performance is degrades.An undefined join

between two tables is known as loop. To resolve loop delete the joins, if these joins arebetween two tables is known as loop. To resolve loop delete the joins, if these joins are

necessary then we have to create shortcuts nothing but alias tables. Place the joins innecessary then we have to create shortcuts nothing but alias tables. Place the joins in

alias tables.alias tables.

3. What are the lters in Framework Manager and Report Studio?3. What are the lters in Framework Manager and Report Studio?

ANS: Filters in framework manager areANS: Filters in framework manager are

1. Standalone filters 2. Embedded filters1. Standalone filters 2. Embedded filters

Report studio Filters areReport studio Filters are

1. Detail filters 2. Summary filters1. Detail filters 2. Summary filters

4. How to import two data sources into Framework Manager?4. How to import two data sources into Framework Manager?

We can import two data sources to FM in the Run Metadata Wizard.We can import two data sources to FM in the Run Metadata Wizard.

Go to Run Metadata Wizard>Select another database ( e.g. suppose SQL Server isGo to Run Metadata Wizard>Select another database ( e.g. suppose SQL Server is

choosed in prior attempt, then u can choose Oracle as new datasource).Then import itchoosed in prior attempt, then u can choose Oracle as new datasource).Then import it

5. How to perform single sign on in Cognos by using URL?5. How to perform single sign on in Cognos by using URL?

In Cognos configuration under authentication allow anonymous access should be false. InIn Cognos configuration under authentication allow anonymous access should be false. In

cgi-bin properties (under iis) the enable anonymous access should be false.cgi-bin properties (under iis) the enable anonymous access should be false.

6. What is usage property? Where do we set usage property?6. What is usage property? Where do we set usage property?

1.The Usage Property identifies the use for the data represented by query item.1.The Usage Property identifies the use for the data represented by query item.

It determines the aggregation rules of query items and calculations.It determines the aggregation rules of query items and calculations.

The different usage property settings are Identifier, Fact, Attribute, UnknownThe different usage property settings are Identifier, Fact, Attribute, Unknown

2. To set the usage property: Click the query item u want to set the usage property for2. To set the usage property: Click the query item u want to set the usage property for

Then click the properties icon on the tool bar or you can see the properties pane on theThen click the properties icon on the tool bar or you can see the properties pane on the

right side of the browser. Go to USAGE tab and click CLICK TO EDIT option. And selectright side of the browser. Go to USAGE tab and click CLICK TO EDIT option. And select

the appropriate.the appropriate.

7. What is the use of prompts in Framework Manager?7. What is the use of prompts in Framework Manager?

ANS: Use of Prompt in Framework Manager:ANS: Use of Prompt in Framework Manager:

Filter on query subject to restrict the rows that are returned by filtering out theFilter on query subject to restrict the rows that are returned by filtering out the

unwanted data by creating one or more embedded filters for query subject.unwanted data by creating one or more embedded filters for query subject.

Prompt in filter with usage set to always user need to supply a value to filter.Prompt in filter with usage set to always user need to supply a value to filter.

8. Where exactly determinants are used in cognos framework manager?8. Where exactly determinants are used in cognos framework manager?

ANS: A query subject that behaves as a dimension has multiple levels of granularity andANS: A query subject that behaves as a dimension has multiple levels of granularity and

will be joined on different sets of keys to fact data.will be joined on different sets of keys to fact data.

9. How would you structure your Framework Manager Model?9. How would you structure your Framework Manager Model?

ANS: A model is normally structured into two layers/views. Database/ Physical view andANS: A model is normally structured into two layers/views. Database/ Physical view and

Business/ Presentation view. These can be implemented using Namespaces.Business/ Presentation view. These can be implemented using Namespaces.

You import the metadata into Physical layer from DB using data source connection. YouYou import the metadata into Physical layer from DB using data source connection. You

will use Import Metadata Wizard. You will change the Query Subjects & Query Items,will use Import Metadata Wizard. You will change the Query Subjects & Query Items,

create relationships (joins) and other activities here.create relationships (joins) and other activities here.

In the Presentation layer, you create Query Subjects taking input from the existingIn the Presentation layer, you create Query Subjects taking input from the existing

Physical layer. You change the names of the Query Items and other cosmeticPhysical layer. You change the names of the Query Items and other cosmetic

modifications.You can choose only the Presentation layer while creating the Packages andmodifications.You can choose only the Presentation layer while creating the Packages and

apply appropriate security settings.apply appropriate security settings.

10. How to provide security in frame work manager for a query subject?10. How to provide security in frame work manager for a query subject?


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ANS: Procedure for providing security for query subject in frame work manager is:ANS: Procedure for providing security for query subject in frame work manager is:

Select querysubject -> in properties pane select ->security filters (click on edit)a specifySelect querysubject -> in properties pane select ->security filters (click on edit)a specify

data security wizard appears->click on add groups -> cognosnamesspace(select users anddata security wizard appears->click on add groups -> cognosnamesspace(select users and

groups wizard opens)groups wizard opens)

11. How can we generate the cubes in framework manager?11. How can we generate the cubes in framework manager?

ANS: You can create the IQD file from framework manager.ANS: You can create the IQD file from framework manager.

This IQD file will be used by Transformer to create the cube.This IQD file will be used by Transformer to create the cube.

12. How to generate IQD le from framework manager?12. How to generate IQD le from framework manager?

Create a Query Subject, from the properties pane select externalise, there we have 4Create a Query Subject, from the properties pane select externalise, there we have 4

options in that select IQD.options in that select IQD.

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