Not all databases handle Boolean operators in the same way (e.g.May bring back too many, too few, or irrelevant results if keywords are not carefully selected.Making connections between keywords or emphasizing relationships between keywords when searching.Narrowing down or broadening your search results by connecting search terms together using logic.This will narrow down your research results because the search engine will bring back only resources about the first search term (cats), but exclude any resources that include the second search term (dogs). The Boolean operator NOT tells the search engine that you want to find information about the first search term, but nothing about the second. This will broaden your search results because the search engine will bring back any results that have either search term in them. The Boolean operator OR tells the search engine that you want to find information about either search term you've entered. This will narrow down your search results because the search engine will only bring back results that include both search terms. Boolean Operators are simple words (AND, OR, NOT or AND NOT) used as conjunctions to combine or exclude keywords in a search, resulting in more focused and. The Boolean operator AND tells a search engine that you want to find information about two (or more) search terms. These are logic-based words that help search engines narrow down or broaden search results. Boolean searching uses operators: words like AND, OR, and NOT. Boolean operators Bank of America, Quotation marks are used when you are searching for a specific word combination or an exact phrase. Boolean searching is used to help find search results faster and with more precision.

Boolean search terms list