what is data modeling?
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what are the different forms of normalization?
what is meant by drill through?(Mascot)
how do u automate Extraction process?
my name is amar i want display 1st line A 2nd line M 3rd line A 4th line R in database & informatica
Explain the key challenges that you face while performing etl testing.
what are the concerns of OLTP and DSS systems?
What are the steps involved in etl process?
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 an ETL or ETT? And what are the different types?
How many types of transformations supported by sorted input?
what is session partitioning?
what is the difference steps for data modeling?