1. A computer-implemented graphical user interface system for generating a database query, comprising: a create region configured to receive a plurality of graphical icons and to create an association between the plurality of graphical icons to define the database query, the plurality of graphical icons including a plurality of clause-specific icons that identify clauses for the database query and a plurality of table icons that identify sets of data in the database; a plurality of clause-specific interface regions, each of the plurality of clause-specific interface regions being associated with a particular clause-specific icon and being configured to receive user input to define one or more parameters associated with the particular clause-specific icon; and a navigation region configured to receive user input to select between the create region and the plurality of clause-specific interface regions.