- Use AND in a search to narrow your results. When you link two or more terms with AND, you are telling the database that each result must contain all the terms.
- Use OR in a search to broaden your results. When you link two or more terms with OR, you are telling the database that each result must contain any of the terms.
- Use NOT in a search to narrow your results. When you link two terms with NOT, you are telling the database to ignore concepts that may be implied by your search terms.
A truncation operator is a symbol used to find records that include any term starting with the word stem. Most common symbols used as truncation operator are (*, $, !)
Most databases allow you to specify that adjacent words must be searched as phrases by using proximity operators, the most commont symbols used to enclose phrases are the quotation marks and the parenthesis. (), "".
On our catalog the truncation operator is *, and the boolean operator de facto when searching in the quick search box is AND.
You can built your complex searches through the Advanced search section.
In the image below you can see an example of a complex search that has found three sources where the word "chocolate" is on the title, AND a descriptor which includes the word "fiction", but it is NOT in french.