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Establishing validation rules

Establishing validation rules: Access 2013 Essential Training
Establishing validation rules: Access 2013 Essential Training

You can control the data saved in your Microsoft Access database by establishing validation rules. Any entry that doesn't follow the rules will not be saved. Instead, you will see a warning message so you can fix the problem. One practical use is for hire dates. You can set the validation rule to reject any dates prior to the present day.

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