Multiple choice technology

Which one of the following is valid about LookupFileSet stage?

  1. Output link is a reference link.

  2. Input link is a reference link.

  3. output link is a non-reference link

  4. None of the above.
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A Correct answer
Explanation

In the LookupFileSet stage, the output link is a reference link, which means it's used for lookup operations rather than data flow. This is distinct from other stage types where output links typically carry data. The reference link nature enables efficient lookup-based joins without materializing the entire dataset.

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