Knowledge on what are the improtant characteristice that we
need ot consider while developing an ETL Code
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how to answer the question "explain project architecture" in informatica pls any one who has the answer pls send the answer to this mail id "karumanchisrinu@gmail.com
what is the advantage of persistent cache? when it should be used?
how do u identify the changed records in operational data?
How can write SQL Overwrite to get Daynamic rows from the source in SQ transformation!(Any Example)
Explain about hash partitioning?
Explain the key challenges that you face while performing etl testing.
How can you use an Oracle sequences in Informatica ? You have an Informatica sequence generator transformation also. which one is better to use?
What is a mapping, session, worklet, workflow, mapplet?
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.
can cubes contain measures ?
What is a lookup table in etl?
What is virtual Data Warehousing?