How to delete data which is not in source table?
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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?
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I have two tables in two different database, so to join these tables which transformation will be better joiner transformation or lookup transformation?
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how many maximum session supports to multiload in teradata ??
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Teradata 
