Explain the etl program with few examples.
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My Source qualifier has empno, sal. Now my mapping is like SQ(EMPNO)->AGGR->EXP->TARGET SAL ------------>TARGET ? Is this mapping valid or any issues are there if we design like this?
Explain the different kinds of facts.
What are parallel querys and query hints?
how to load only the first and last record of a flat file into the target?
What are the session parameters?
WAT IS TEXT LOAD?
Under what conditions selecting sorted input in aggregator will still not boost session performance?
What is the main difference between a Joiner Transformation and Union Transformation?
Any one can tell me how to explain puss-down optimization ? explain me with example plz?
How to extract sap data using informatica?
what is confirmed fact?
Explain the different lookup methods used in informatica?