Devart Data Access Components

Devart's Data Access Components is a component library for direct access to databases from Delphi, C++ Builder and Lazarus, supporting Windows, Mac OS X, iOS, Android, Linux, Free BSD for 32-bit and 64-bit platforms. Devart's Data Access Components, available in editions supporting a variety of databases, includes support for (for example) Oracle functionality: Oracle Advanced Queuing, Oracle TAF, and distributed transactions. The vendor says that the main advantages of using their solution include direct access to Oracle data, and a Disconnected Model for working with data offline, etc.