What is virtual Data Warehousing?
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how to join two tables without using joiner transformation .advantages of joiner over lookup and vice versa.
how would u estimate the size of Lookup transform data and index cache?
what is HISTOGRAM? how to generate statistics?
Explain about hash partitioning?
Explain do we need an etl tool?
Eliminating of duplicate records without using dynamic lookups
can Informatica be used as a cleansing tool? If yes, give examples of transformations that can implement a data cleansing routine.
when should one create lookup transformation ?
what is the difference between shortcut of an object and copy of an object? compare them?
What are dimensions?
how do u set partition points in the mapping?
what are the reporting tools and difference between them?