What is the use of dimensional modeling in data warehousing?
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Whether dimension table can have numeric value?
Explain the difference between dw and bi?
How to performance tune reports?
What are the key columns in Fact and dimension tables?
what is data validation strategies for data mart validation after loading process
What is junk dimension? What is the difference between junk dimension and degenerated dimension?
Explain conformed fact?
wht is degenerated dimension ?it's uses?
How to pivot data using informatica when you have variable amount of pivot rows?
1.WHAT IS DATA MART ?
Explain vldb?
I need to set predefined condition. How I do this?