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Data Warehouse Interview Questions
Questions Answers Views Company eMail

What is drill-through?

992

How to pivot data using informatica when you have variable amount of pivot rows?

905

Store (and count) non-fact records?

938

What is many-to-many dimensional model in datawarehousing ?

936

Define data warehouse?

1048

How to pivot row data using informatica?

967

Why null values are mapped as 0 in fact tables?

1009

What are the differences between datamart vs. Reporting cube?

1102

What should I have in mind when building olap solution from scratch?

984

List any five applications of data warehouse.

943

How can we run the graph?

1075

In a star schema, are foreign key constraints between facts and dimensions neccessary?

979

Fact table is in normalized or de-normalized form?

969

How can we do data cleaning?

1067

what is the difference between floor and ceil functions in sas? : Sas-administrator

1265


Un-Answered Questions { Data Warehouse }

What are the table names in oracle database...?

2760


I have created a database "TestingDB" in MS SQL Server 2005. I have set the port properties and the Cognos Service is up. But I don't see anything in the Cognos. In the administration i have set the ODBC connection and it tested successfully.If i copy the samples to the appropriate directory then i can see the samples.But I don't know how to do the same thing with my own database "TestingDB". As i have configure the cognos in my company which is having a database (very near to production database).I am a novice in cognos. Please help me out.

2095


can u anyone plz share some etl testing interview question . and share the sql queries and unix . plz help me to clear in the etl testing interview by sharing ur knowledge

1807


Name the third party tools that can be used in datastage?

1079


Which command using Query Analyzer will give you the version of SQL server and operating system ?

5079


Can we use the mapping parameter or variables developed in one mapping into any other reusable transformation?

1139


What is the difference between condition & filter?

1468


if the Id has more then two transcatiion then show the first observation, IF Id has only two observation then It show both the observation

1621


What are the different types of security you have worked in obiee?

791


how to create user defined function (udf) in informatica

1315


What do you mean by drill through report?

971


What would you consider as your biggest achievement and why?

1014


Can you execute macro within another macro? : sas-macro

1002


Mention few test cases and explain them?

934


Is framework manager an un-needed overhead? As we know report studio allows us to create the data model from a query and thereby skipping framework manager. Given that this feature is available, in what scenarios would one want to skip framework manager?

1024