What is meant by incremental load?
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What are snapshots?
how would u estimate the size of Lookup transform data and index cache?
WHY CANT WE SEE THE DATA IN DATASET
what are the data modeling tools you have used?(polaris)
Explain the use lookup tables and Aggregate tables?
what is Forward,Reverse and Re_engineering?
what is session partitioning?
how do u automate Extraction process?
what is SMP AND MPP?
What are the types of Data Warehouse applications?
two sources S1,S2 containing measures M1,M2,M3, 4 dimensions D1,D2,D3,D4, 1 Fact F1 containing measures M1,M2,M3 and surrogate keys K1,K2,K3,K4 (a) write a sql statement to populate Fact table F1 (b) Design a mapping in Informatica for loading of fact table F1.
What are the steps involved in etl process?