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List any five applications of data warehouse.
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If your client approaches you and says that he wants to create a Datawarehouse, and provides just the info regarding his source systems. What are all the neccessary actions one is supposed to take/understand and get back with a comprehensive document which convinces the client to proceed with the DW initiative. What are all the documents we need to provide the client?
What is ETL process in Data warehousing?
Explain which are the olap tools available that are supported by oracle?
How to handle time period attribute for time dependent data?? a.)add time period as a part of pk b.)add time period simply and make it nullablec.)add time period simply and make it not null.
Do you view contain data?
How can we transform row to column?
What is the difference between view materialized view and view?
What is freehand sql?
What is informatica architecture?
what is data validation strategies for data mart validation after loading process
Hi Friends, Can anyone tell me. is there any certification in Database testing or BI testing or ETL testing international certification? Thanks ArunKumar
What are aggregate transformation?
Teradata 
