Explain what are slowly changing dimensions?
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What is type 2 version dimension?
What are the reasons to use a chameleon method in data warehousing?
What are universe requirements?
Why fact table is in a normal form?
Explain what are non-additive facts?
What are the steps to build the datawarehouse?
5.Explain ODS ?
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
Explain the difference between oltp and olap?
What are Data Marts?
Explain what are the various transformation available?
What is subject area?