Who needs data warehousing?
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What are aggregate tables and aggregate fact tables?
Explain what is the data type of the surrogate key?
What is Conceptual, Logical and Physical model?
What is the difference between view filter and report filter?
Can any one explain the hierarchies level data warehousing.
What is a data profile?
What is difference between a connected look up and unconnected look up?
What is the difference between ods and oltp?
What are the data marts?
what is user variable in affinium campaign? and some real time examples.
How to performance tune reports?
Hi, Could any one tell me which schema (star and snow flake schema) will take much space? Thanks S.A.K
6 Answers Accenture, IBM, TCS,
Teradata 
