Boolean Logic takes its name from a British mathematician named George
Boole (1815 1864)
Brief Definition: Boolean Operators are effective search tools
and define the relationships between words or groups of words, narrowing or expanding search
Uses AND, OR, NOT, and
() to define search strings.
Key usages: AND narrows
a search to contain all words. For
instance, a search for children AND school is telling the database that results MUST contain both children and school in the results.
Using OR broadens
a search to retrieve any of the words in a search query.
the search phrase to retrieve records that do not contain
the term that follows.