Explain what are the steps to build the data warehouse?
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What is the difference between dependent data warehouse and independent data warehouse?
What is the function of surrogate key in data warehousing?
Explain how does tuple-oriented relational calculus differ from domain-oriented relational calculus?
What is incremintal loading?
DWH architecture?
Explain what is cost benefit analysis (cba)?
what is parallel query?
What are aggregate tables and aggregate fact tables?
what is the synchonus? wht is the diff between synchronous and asynchronous what is the diff between v1 and v2 v3 delta modes in sap ecc
How can you define a transformation? What are different types of transformations in Informatica?
Explain what are non-additive facts?
What is difference between Business Objects and Hyperion Essbase? Please help me