ODAC is an enhanced component library for fast direct access to Oracle from Delphi, C++ Builder and Lazarus, supporting Windows, Mac OS X, iOS, Android, Linux, Free BSD for 32-bit and 64-bit platforms. ODAC includes comprehensive support for Oracle functionality: Oracle Advanced Queuing, Oracle TAF, and distributed transactions. Main advantages include direct access to Oracle data, Disconnected Model for working with data offline, etc.