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Can anyone tell me what are the roles and responsibilities of informatica support ( L1, L2, & L3 ) Team?
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1.Identify and discuss the problems which are occurred during data quality verification for the single-source and multi-source problems. 2.Testing has very important role in DWH. In ETL testing phase, how can we perform the integration testing and regression testing? 3.What are the perquisites of system testing and regression testing in ETL phase?
what is meant by drill through?(Mascot)
Give a way in which u can implement a real time scenario where data in a table is changing and u need to look up data from it.How will u configure the look up transform for this purpose?
what is the difference between OLTP database and data warehousing database?
Explain the key challenges that you face while performing etl testing.
how do u estimate the depth of the session scheduling queue? Where do u set the number of maximum concurrent sessions that Informatica can run at a given time?
What are the various tools used in etl?
What are the ETL Testing Operations?
how do u implement scheduling in Informatica?
What is etl tool in hadoop?
what are the session parameters? How do u set them?
how do u estimate the depth of the session scheduling queue? Where do u set the number of maximum concurrent sessions that Informatica can run at a given time?
Teradata 
