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 difference between cardinality and Nullability?
Can u access a repository created in previous version of Informatica?
can Informatica be used as a cleansing tool? If yes, give examples of transformations that can implement a data cleansing routine.
Explain the key challenges that you face while performing etl testing.
explain about your project architecture in ssis..could u please send to my mail..vinod.kjvk@gmail.com
What is partitioning? Explain about round-robin, hash partitioning.
What is grain of fact?
What is full load & incremental or refresh load?
what is the meaning of upgradation of Repository?
What are the different Lookup methods used in Informatica?
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 are snapshots? What are materialized views & where do we use them? What is a materialized view log?