Oracle Data Access Components provides a means to develop client/server applications on Borland Delphi and C++ Builder. ODAC enables you to query data fast. Oracle Data Access Components (ODAC) for Borland Delphi and C++ Builder library offers nonvisual components for Borland Delphi. They serve for access to Oracle RDBMS. ODAC is an alternative to the standard way of processing data by Borland Database Engine (BDE). ODAC uses Oracle Call Interface (OCI) directrly. The Oracle Call Interface is an application programming interface (API) that allows an application developer to use a third-generation language's native procedures or function calls to access the Oracle database server and control all phases of SQL statement execution. The OCI provides a library of standard database access and retrieval functions in the form of a dynamic runtime library, ORA*.DLL, that can be linked in by the application.