Boolean search is not some kind of magic word, but it essential knowledge that all recruiters need to know so they can use it when they are searching for candidates. If you are a recruiter and you’ve never heard Boolean operators, it’s time to start learning the basics! Most online databases and search engines support Boolean searches and you can use it for effective searches.
Boolean logic covers the operators AND, OR and NOT. The name Boolean comes from mathematician George Boole.
Boolean searches allow you to combine phrases and words using these operators and they will help you to define your search, help you to limit the search, or widen the search.