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How to know informatica conslole password??
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how do u extract data from different data sources explain with an example?
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 staging area referring to?
How to recover a workflow? What are the different approaches?( In prod i.e no access to modify)
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what is the meant by Normalization and de-normalization?
if u can't find what you are looking for in lookup table, how do you handle?
what is data modeling?
Identifying the bottlenecks in various components of Informatica and resolving them.
How can write SQL Overwrite to get Daynamic rows from the source in SQ transformation!(Any Example)
Two different admin users created for repository are________and_________.
How to delete data which is not in source table?
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What are the differences between sql override and update override?
Teradata 
