What are the difference between snow flake and star schema?
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What are the steps of implementing data warehousing?
Explain some of modeling tools available in the market?
what is the difference between aggregate table and fact table ? how do you load these two tables ?
what are confirmed dimension? We alwys give date as a conformed dimension but if it has different format for different contries say YYMMDD for italy and MM-DD-YYYY for france.Then are they not confirmed.
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
What is data analysis?
What is data cleaning? How can we do that?
What are different deliverables according to phases?
What is incremintal loading?
What are CUBES?
what is data validation strategies for data mart validation after loading process
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.