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ODBC is the acronym for Open DataBase Connectivity, a Microsoft Universal Data Access standard that started life as the Windows implementation of the X/Open SQL Call Level Interface specification. Since its inception in 1992 it has rapidly become the industry standard interface for developing database independent applications. Is is also the emerging standard interface for SQL based database engines replacing many of the first generation Embedded SQL and proprietary call level interfaces provided by database engine and database connectivity middleware vendors alike.
The ability to develop applications independent of back-end database engine.
iODBC is the acronym for Independent Open DataBase Connectivity, an Open Source platform independent implementation of both the ODBC and X/Open specifications. It is rapidly emerging as the industry standard for developing solutions that are language, platform and database independent.
iODBC has been ported to numerous platforms, including Linux (x86, Itanium, Alpha, Mips, and StrongArm), Solaris (Sparc & x86), AIX, HP-UX (PA-RISC & Itanium), Digital UNIX, Dynix, Generic UNIX 5.4, FreeBSD, MacOS 9, MacOS X, DG-UX, and OpenVMS.