Active Query builder is a component suite for Borland Delphi and C++ Builder which gives your end-users the ability to create SQL queries via an intuitive visual interface. Supports Oracle, SQL Server, MySQL, PostgreSQL and many other SQL dialects Active Query Builder is a query builder component suite for Borland Delphi 5-2006 and C++ Builder 5, 6 that allows your end-users to build complex SQL queries via an intuitive visual interface. It differs from other query builders by its powerful SQL parser that correctly handles SQL queries containing multiple nested joins and other fine points of SQL syntax. Another feature is the powerful graphical engine that allows you to build queries involving unions, nested joins and sub-queries.