INTERVIEW QUESTIONS DATA WAREHOUSING INFORMATICA DETAILS

Question: After draging the ports of three sources(sql server,oracle,informix) to a single source qualifier, can u map these three ports directly to target?

Answer: NO.Unless and until u join those three ports in source qualifier u cannot map them directly.

NO.Unless and until u join those three ports in source qualifier u cannot map them directly. Source: CoolInterview.com

you can not join heterogeneous sources in a single source qualifier. to override the sql query the sources must be homogeneous. if it heterogeneous you have to use Joiner transformation. Source: CoolInterview.com

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