Last Updated: Oct 30, 2015     Views: 23

When searching in the databases, you may have noticed a drop-down menu with AND, OR, and NOT next to each search box (see screenshot below).  These are known as "Boolean operators."

The Building Your Search section of our Library Research & Information Literacy Skills explains how to combine search terms using AND, OR, and NOT. The Search Builder tool can also help with search construction.

You may also want to look through the rest of our searching effectively pages for more strategies to improve your searches.

Boolean operators

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