Difference between flat files and relational sources?
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can cubes contain measures ?
tell me few points when u become TL
what is Forward,Reverse and Re_engineering?
How many types of transformations supported by sorted input?
how to join two tables without using joiner transformation .advantages of joiner over lookup and vice versa.
Can there be sub steps of etl steps?
what are the session parameters? How do u set them?
what types of repositories we can create in informatica? in real time in which type of repository we will work on?
what are the different Reporting and ETL tools available in the market?
Explain the use lookup tables and Aggregate tables?
what is data modeling?
what are the reporting tools and difference between them?