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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.
Identifying the bottlenecks in various components of Informatica and resolving them.
what is different between sequential batch and concurrent batch and which is recommended and why?
what happens if the info.server doesn't find the session parameter in the parameter file?
how do u identify the changed records in operational data?
what are the types in error loging?
Is hadoop a etl tool?
What is a materialized view log?
Explain about hash partitioning?
What do you understand by active and passive transformations?
What are three tier systems in etl?
What is the difference between round-robin partitioning and hash partitioning?
what are the concerns of OLTP and DSS systems?
how would u estimate the size of Lookup transform data and index cache?
Compare etl & elt?
