What are the approaches used by optimizer during execution plan?
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What is analytical or analytic mean?
What is the difference between metadata and data dictionary?
What are the different types of datawarehosuing?
What is scd1 , scd2 , scd3?
Difference between DSS & OLTP?
1.WHAT IS DATA MART ?
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.
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 user variable in affinium campaign? and some real time examples.
What is a full backup?
I have two universes created by two difference database can we join them in designer & report level? How
What is staging area?