This value is normally used when constructing an administrator's results page, not a casual user's. Once your database and definition files are in place, and you have created your initial query page, the header, footer, template, and error pages, you're all set. People can now perform complex searches on your data and browse the results. Tests can be grouped with parenthesis to override the default left to right evaluation. If the value contains spaces, it must be surrounded in quotes.
Case is insignificant.
Not equal to . Not equal to . Case is significant. Greater than or equal to. Case is insignificant.