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Tip of the Day
Language: SQL Server
Expertise: Beginner
Apr 21, 1997

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WHERE (multiple values)

Question:
I have a form in which the user can select multiple values of "Manufacturer" from a drop-down list.

The query should then select from the database all records in which Manufacturer matches one of those listed. It works fine when a single manufacturer is selected, but what syntax do I use to match multiple Manufacturers?

Answer:
Using the IN predicate in your WHERE clause will match the records:

...WHERE manufacturer IN (selection_list);
The exact syntax will depend on your database product -- you may be able to specify variable names to make the statement more portable. Check your documentation for the details.
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