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Boolean Operators

Boolean Operators give us options for how we combine search terms.  They use the terms AND, OR and NOT to determine a relationship between the words you are searching for.  Take a look at the images below for some further help! 

Boolean Operator AND



  • AND 

    Search for:  chocolate AND cake
    The results will return only records that contain both the word chocolate and the word cake.  This would be useful if you were looking for a recipe for a chocolate cake.


Boolean Operator OR


  • OR

    The results will return any record that the word chocolate or the word cake.  It will return results that have just one of the terms or both of the terms together.  This would be helpful if you were looking for a variety of desserts within the categories of chocolate or cake.


Boolean Operator NOT

  • NOT

    This search will return results that contain the word chocolate, but will exclude those that include the word cake.  This would be useful if you aren't interested in cake, but you want information about chocolates.  If it's a recipe for chocolate cake, it will not show up.