What is the need of an ETL tool?
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How do you create single lookup transformation using multiple tables?
What is olap (on-line analytical processing?
How to load query faster,so that It will take less time to load?
Enlist the tasks for which source qualifier transformation is used.
what are the row and column separations in Flat Files
What are the different clients of powercenter?
what are the different types of transformation available in informatica. And what are the mostly used ones among them?
How do you avoid duplicate records with out using source qualifier,expression,aggrigator,sorter and lookup transformations ?
can session assigned multiple mappings or not?
What is the use of an aggregator cache file?
What is polling in informatica ?
How is Source Side push down optimization different to just providing a SQL override in Source qualifier transformation.