Don’t let Null values derail your formulas. See how to use the NZ function to convert the values to zeroes. You’ve created a query that calculates an invoice total by adding the order total and the ...

You can define data fields to not store null data by specifying the NU option in data definition statements. In normal data storage (that is, NU not specified), a null value is represented by two ...

Are null values in your Access databases giving you a headache? If so, here are five things to do to help you find, and understand, why they’re happening. If you can only read one tech story a day, ...