ms access switches

In Microsoft Access, Switch is a very useful and powerful feature that allows you to create conditional branching logic in your expressions in queries, forms and reports. Basically, change one or more pairs of pass expressions; Within each pair, the first expression is evaluated as a Boolean expression and the second is evaluated by its result. The Switch function evaluates each expression pair and returns the result corresponding to the first Boolean expression in the list evaluated to True.

The ms access switches is often compared to the CASE statement in SQL Server or the DECODE function in Oracle.

In my opinion, Switch is an underutilized function and a better alternative to "a little more common IIf" expressions, which are often used in logical expressions that require more than two branches.

This article provides an introduction to the Switch function, with sections that:
Describe the syntax of the Switch function;
Discuss alternatives to Switch;
We present examples of the use of Switch, based on questions of exchange of real experts; is
It covers common "problems" and challenges associated with using the Switch feature.

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