Summary
To handle null values in Microsoft Access databases, one can use a filter condition to catch null values, or use the Nz() function to convert null values to 0 or a different value altogether. Additionally, the Nz() function can be used to clean up any potential nulls in optional fields, and to supply a different value altogether.
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Summary
To add criteria to an Access query, open the query in Design view and identify the fields (columns) you want to specify criteria for. If the field is not in the design grid, double-click the field to add it to the design grid and then enter the criterion in the Criteria row for that field.
Examples of query criteria - Microsoft Support
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Summary
MS-Access provides a variety of ways to handle null values in databases, such as using a filter condition to catch null values, or using the Nz() function to convert null values to 0 or a different value altogether. Additionally, the Nz() function can be used to clean up any potential nulls in optional fields, and to supply a different value altogether.
Dealing with Blank Values (Nulls) - MS-Access Tutorial
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tables in an Access DB, and I'm trying to write a function that says: If X is blank, take ... In Microsoft Access, there is a function that is intended to ...
IsEmpty Function in Access | Toolbox Tech
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