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Boolean operators

Boolean operators. AND both words must be present in the record for it to be retrieved OR either word or both must be present in the record for it to be retrieved NOT the first word must be present, but not if the second is , for it to be retrieved. U se with care!. Boolean operators.

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Boolean operators

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  1. Boolean operators • AND • both words must be present in the record for it to be retrieved • OR • either word or both must be present in the record for it to be retrieved • NOT • the first word must be present, but not if the second is, for it to be retrieved. Use with care!

  2. Boolean operators OR AND university OR higher education NOT Durham AND University student NOT part-time

  3. Boolean operators • use the Boolean operators to help you express your search logically e.g. AND AND

  4. Synonyms and spellings • think about other terms which mean the same i.e. synonyms, or related terms • remember alternative spellings e.g. US vs British AND AND OR OR

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