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Operator
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Effect
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Example
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AND
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Searches for documents that have both words.
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network AND database
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OR
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Searches for documents that have either word.
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network OR database
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NOT
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Eliminates documents where the word is found.
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network NOT database
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| |
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Character
|
Purpose
|
Examples
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(Parentheses)
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Determines how ANDs and ORs are treated. Words within parentheses are considered a unit, and are considered first.
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network OR (database AND oracle)
network AND (database NOT oracle)
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"Quotation Marks"
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Quoted words or phrases are searched for literally. Useful when you want to search for the actual words "and" or "or."
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"server analysis and assessment"
network AND "enterprise resource planning"
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