The advantage of using validation rules in Microsoft Access is that you get clean and consistent data in your database.
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Field validation ensures that a program or form is using clean incorrect data. A set of validation rules are used to check data that is entered into a system before it is processed.
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validation rules
Validation Rules
Data validation.
A validation rule is simply to make sure that the data is entered correctly into the database (go onto bitesize-ICT-validation and verification for more info)
Yes, but it depends on the validation routines used.
The advantages are: It stops the user from entering data that may be incorrect. It also reduces the chance of wrong data being entered by mistake. The disadvantage is: It will take longer for the programmer to script the validation code.
Validation rules limit what can go into a field. You might want to only allow values that are over 500 in a field, so the validation would be: >500 You might want dates that are before the 1st of January 2010, so that would be like this: <#01/01/2010#
Validation.
You can remove the Windows genuine advantages validation tool by first going to the registry editor and going to the Microsoft windows key. Once there modify the no modify, no repair, and no remove options to 0. Next restart Windows and go to the control panel and uninstall the validation tool.