Microsoft Access data validation rules allow you to set restrictions to ensure that data meets specific criteria, including data types, ranges, lists, regular expressions, and custom rules. To set up a rule, select the field, select the Data Validation button, and select the input criteria. This helps ensure data accuracy and consistency.
Access Data Validation Rule Input Standards
Data validation rules are restrictions set in Microsoft Access for Ensure data meets certain standards. These rules help ensure data accuracy and consistency.
Input criteria:
Data validation rules can be set for the following input criteria:
How to set data validation rules:
For example, if you want to limit a field to only numbers, you can follow these steps:
After setting up data validation rules, the system will display an error message when users try to enter values that do not meet the standards. This helps prevent incorrect or invalid data from being entered, thereby improving data quality.
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