1. A database management system for use with a searchable computerized database, comprising: a database containing data items; a user input interface for receiving database queries for specific data from users of said database; a limit engine module interfacing with said database responsive to said user input interface for expanding a database user's query for specific data to include data within a programmable range of deviation from said database user query; a query builder module responsive to said limit engine module for formulating a database search query for database data within said range of deviation supplied by said limit engine module; a query processor module responsive to said query builder module for processing said database search query formulated by said search query builder module; and a user display interface for displaying the results of said database search query processed by said query processor module to the database user.