Understanding the Keyword Query Language
Whether users know it or not, every time they use SharePoint's search box, they are actually writing a keyword query. A keyword query consists of either a free text query, a property restriction, or both. In addition, keyword queries can include operators, such as OR, AND, and NOT.
The basics
A basic keyword query contains at least one search term (free text), and is case insensitive, which means that a search for xbox will return items containing both xbox and XBOX. Operators, on the other hand are case sensitive and must be written using uppercase letters, so searching for items containing either "xbox"or "playstation" will result in the following query: xbox OR playstation.
What if we wish to look for any item that begins with xbox and not just contains it? That's why we have the asterisk (*) operator. Searching for xbox* will return items such as xbox360, xbox720, and so on.
If we wish to look for items containing the exact phrase 'xbox 360', we put...
