![]() ![]() This is because, with any input mask, a 9 specifies an optional number, a 0 specifies a mandatory number. In this example, the area code is optional, but the rest of the number is must be entered. An input mask is a set of simple rules that specifies the format in which data can be entered into a field.įor example, an input mask of (999) 000-0000 could be used to determine how phone numbers are entered. In MS Access 2016, you can use the Input Mask Wizard to create an input mask. ![]() An input mask restricts how data is entered into the database. The Input Mask Wizard helps you create an input mask. ![]()
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