Boolean Operators give us options for how we combine search terms. They use the terms AND, OR and NOT to determine a relationship between the words you are searching for. Take a look at the images below for some further help!
Search for: chocolate AND cake The results will return only records that contain both the word chocolate and the word cake. This would be useful if you were looking for a recipe for a chocolate cake.
The results will return any record that the word chocolateor the word cake. It will return results that have just one of the terms or both of the terms together. This would be helpful if you were looking for a variety of desserts within the categories of chocolate or cake.
This search will return results that contain the word chocolate, but will exclude those that include the word cake. This would be useful if you aren't interested in cake, but you want information about chocolates. If it's a recipe for chocolate cake, it will not show up.