AND Operator
OR Operator
NOT Operator
Boolean operators are used in all types of databases and search engines. They may be entered differently across databases; however, the function remains the same.
| EBSCOhost | Nexis Uni | Google Advanced | |
|---|---|---|---|
| Boolean AND | enter AND between search terms | enter AND between search terms | enter the important words; assumes AND |
| Boolean OR | enter OR between search terms | enter OR between search terms | enter OR between all of your search terms |
| Boolean NOT | enter NOT before the search term to exclude | enter AND NOT before the search term to exclude | Use a minus sign (-) before the search term to exclude |