Examples of expressions Access. This article provides examples of expressions in Access. An expression is a combination of mathematical or logical operators, constants, functions, table fields, controls, and properties that evaluates to a single value. You can use expressions in Access to calculate values, validate data, and set a default value for a field or control. Note Although this article provides basic steps for creating expressions, it is not a comprehensive guide for using the tools that Access provides for creating expressions. For more information about creating expressions, see the article Build an expression. In this article. Understand expressions. Examples of expressions used in forms and reports. Examples of expressions used in queries and filters. Examples of default value expressions. Examples of field validation rule expressions. Examples of macro condition expressions.
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November 2017
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