Use Boolean Operators AND/OR/NOT to refine your search.
AND
Use AND to:
- Narrow down your search
- Tell the database that all your search terms must be included in your search results.
EXAMPLE: coffee AND tea
- Retrieves articles that contain ALL the terms: “coffee” AND “tea”.
OR
Use OR to:
- Expand your search
- Tell the database that EITHER “coffee” OR “tea” must be included in your search results.
EXAMPLE: Coffee OR Tea
- Retrieves articles that contain at least one of your search terms: “coffee”, “tea”, or both.
NOT
Use NOT to:
- Narrow down your search.
- Tell the database to ignore certain words.
EXAMPLE: Coffee NOT tea
- Search results will NOT contain the word “tea”.