Today’s featured promo on MacUpdate offers SQLGrinder 2.0.5 for US$29.95 (49% off, retail $59). “SQLGrinder is a SQL editor and developer tool which allows database developers to easily create, edit and execute SQL queries as well as browse their database structures. Using SQLGrinder and JDBC drivers, developers can connect to any databases that supports JDBC, including Oracle, MySQL, PostgreSQL, FrontBase, Openbase SQL, Microsoft SQL Server and Sybase Adaptive Server Enterprise. Because SQLGrinder is built using Apple’s Cocoa framework, it looks and feels like a Macintosh OS X application and adheres to Apple’s Aqua Human Interface Guidelines.” SQLGrinder 2.0.5 requires Mac OS X 10.3.9 or later.