Active Query Builder Java Edition - Version 1 Active Query Builder is a powerful query building component for Delphi and .Net to build SQL queries with unions and sub-queries easily.ctive Query Builder is a visual SQL query builder component that allows your end-users to build complex SQL queries via an intuitive visual query building interface easily. Active Query Builder is also an excellent SQL parser to analyze and modify SQL queries programmatically.Whether it's embedded into a database administration tool or a user report generator, in a Windows application or web page, Active SQL Query Builder component is your best solution for almost any software. Its user-friendly interface and unique query parsing and research capabilities provide optimized results and is sure to increase the number of potential users of your product.