What are the types of Data Warehouse applications?
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list and discuss two approaches for updation of target table in Informatica and how they are different.
what is the difference between OLTP database and data warehousing database?
how do u estimate the number of partitions that a mapping really requires? Is it dependent on the machine configuration?
How to delete data which is not in source table?
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What is partitioning? Explain different types of partitioning?
how to load the data to fact table?
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 is staging area referring to?
what is data modeling?
Explain about round-robi?
how do u decide whether u need to do aggregations at database level or at Informatica level?
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