OraSphere: Query Master - Version 1.4 Query Master is a fast multi-threaded SQL and PL/SQL tool with a script library and an advanced grid for developers and database administrators. Features: script library; SQL and PL/SQL editor; single, multiple and for update statement execution; bind variables; describe objects; powerful grid; SQL statement execution plan; popup window with database objects; script import; transaction queue; oracle home selector; DDL generator, DB object browser.