在Delphi环境下，最佳的Oracle控件是Oracle Data Access Components

Oracle compatibility ODAC supports Oracle servers 11g, 10g, 9i, 8i, 8.0, and 7.3, including Oracle 10g Express. ODAC supports x86 versions of the following Oracle clients: 11g, 10g, 9i, 8i, 8.0, and 7.3. IDE compatibility ODAC can be used with the following integrated development environments: CodeGear Delphi 2009 for Win32 CodeGear C++Builder 2009 CodeGear RAD Studio 2007 CodeGear C++Builder 2007 CodeGear Delphi 2007 for Win32 Borland Turbo Delphi Professional Borland Turbo Delphi for .NET Professional Borland Turbo C++ Professional Borland Developer Studio 2006 including support of Delphi for Win32, Delphi for .NET and C++Builder Borland Delphi 2005 Borland Delphi 7 Borland Delphi 6 Borland Delphi 5 Borland C++Builder 6 Borland C++Builder 5 Free Pascal* Borland Kylix 3 Borland Kylix 2 Only Architect, Enterprise, and Professional editions are supported. Note: Update Pack 2 is required for Borland Delphi 6 (Build 6.240) ODAC does not support Kylix Open Edition. *Note: For users of Trial Edition and Edition with Source Code only Direct Mode is not available