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  1. #1
    Join Date
    Mar 2011
    Sydney, Australia

    Unanswered: Limit the maximum value in a number field

    When setting up the properties of a field, what is the expression for limiting the numbers which can be entered to <=9?
    The number entered in this field must be 9 or less but not null.

  2. #2
    Join Date
    Nov 2003
    Provided Answers: 23
    This is not possible with MySQL as it does not support check constraints.

    The only workaround is to use a trigger.

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