Multiple choice technology

Why Lookup File set must need a Key column?

  1. Remove Duplicates

  2. Memory Limit

  3. Reference to a Lookup

  4. None of above
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A Correct answer
Explanation

Lookup File Sets require a key column to identify duplicates. When reading from a Lookup File Set, duplicate records based on the key are automatically removed, ensuring only unique records are returned. This is a key design purpose - not for memory limits or general references. The key column enables duplicate detection and removal.

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