A search for data that meets several criteria by using the Boolean operators AND, OR and NOT (see Boolean logic). For example, the request: "Search for all Spanish and French speaking employees who ...

A search that involves the use of Boolean operators AND, OR, and NOT, which refine the scope of the search by including or excluding documents. AND and NOT narrow the search, while the OR operator ...

Google has quietly removed the Boolean + operator from its search options–and replaced it with expanded quotation mark functionality. For those who don’t use Boolean search operators, this isn’t a big ...

Boolean operators close Boolean operatorAND, OR and NOT. Used to build complex queries in a database. are used to combine relational operators to give more complex decisions.