Refrential integrity
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Thread: Refrential integrity

  1. #1
    Join Date
    Nov 2000
    Posts
    416

    Exclamation

    Can somebody tell me that is it mandatory to have index on foreign key consatraint field?

    Thanks

  2. #2
    Join Date
    May 2000
    Location
    ATLANTA, GA, USA
    Posts
    3,135
    Yes. You must have.

    If the INDEX is not available, you will have performance problem.

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