INTERVIEW QUESTIONS DATA WAREHOUSING ETL DETAILS

Question: What is a mapping, session, worklet, workflow, mapplet?

Answer: A mapping represents dataflow from sources to targets.
A mapplet creates or configures a set of transformations.

A workflow is a set of instruction sthat tell the Informatica server how to execute the tasks.

A worklet is an object that represents a set of tasks.

A session is a set of instructions that describe how and when to move data from sources to targets.

Submited By Francis C ( xxchen74 @ hotmail . com )

A mapping represents dataflow from sources to targets.
A mapplet creates or configures a set of transformations.

A workflow is a set of instruction sthat tell the Informatica server how to execute the tasks.

A worklet is an object that represents a set of tasks.

A session is a set of instructions that describe how and when to move data from sources to targets.

Submited By Francis C ( xxchen74 @ hotmail . com )
Source: CoolInterview.com

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