INTERVIEW QUESTIONS DATA WAREHOUSING INFORMATICA DETAILS

Question: What r the mapping paramaters and maping variables?

Answer: Please refer to the documentation for more understanding.

Mapping variables have two identities:

Start value and Current value

Start value = Current value ( when the session starts the execution of the undelying mapping)

Start value <> Current value ( while the session is in progress and the variable value changes in one ore more occasions)

Current value at the end of the session is nothing but the start value for the subsequent run of the same session.

Please refer to the documentation for more understanding.

Mapping variables have two identities:

Start value and Current value

Start value = Current value ( when the session starts the execution of the undelying mapping)

Start value <> Current value ( while the session is in progress and the variable value changes in one ore more occasions)

Current value at the end of the session is nothing but the start value for the subsequent run of the same session.


Source: CoolInterview.com

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