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Microsoft® Office Access™ 2007 Plain & Simple by Curtis D. Frye

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Introducing the Expression Builder

When you set a validation rule to check field data or when you create a calculation to find the total value of an order, you create an expression to evaluate the contents of one or more table fields. Rather than make you memorize how to identify the fields you want to use or which operators are available, you can use the controls in the Expression Builder to create your expressions quickly.

Introducing the Expression Builder

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