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Boolean Searching: To be AND OR NOT to be?

This LibGuide explains Boolean searching, an important concept for searching almost any database.

The connectors

There are three search connectors in Boolean searching that are particularly useful. Some databases require them to be capitalized in order for them to be recognized as Boolean connectors. Some databases do not care if you capitalize them. It never hurts to go ahead and capitalize them anytime you use them. The connectors are:




So what do these connectors do? Rock your face off, that's what. Click any of the connectors above to learn about it in detail.

You can also check out our LibGuide on Truncation, another very useful search technique.