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what happens if the info.server doesn't find the session
parameter in the parameter file?
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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.
Is hadoop a etl tool?
List few etl bugs?
What are the different Lookup methods used in Informatica?
how would u estimate the size of Lookup transform data and index cache?
what are the concerns of OLTP and DSS systems?
Difference between flat files and relational sources?
What are cubes and olap cubes?
What are the three tiers in etl?
How etl testing is different from database testing?
When do we go for the tools in the market?
What are the key benefits of ETL Testing?
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what are the facilities provided by data warehouse to analytical users?
What are snapshots? What are materialized views & where do we use them? What is a materialized view log?
