Short description of Active Query Builder Delphi VCL Edition 1.13: Active Query Builder is a Delphi and C++ Builder visual query building component to make complex SQL queries with unions and sub-queries easily. Its user-friendly interface and unique query research capabilities provide optimized results and is sure to increase the number of potential users of your product. Active Query Builder is a true two-way query builder; a perfect choice for both SQL beginners and experienced query writers.