ODAC is a VCL/VCL.NET/CLX component library for fast direct access to Oracle from Delphi, C++Builder, and Kylix. ODAC includes comprehensive support for Oracle functionality, including Oracle Advanced Queuing, Oracle TAF, and distributed transactions. Main advantages include direct access to Oracle data, Disconnected Model for working with data offline, Local Failover support, optimized code base, and advanced design-time integration.