Oracle C++ Call Interface
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The Oracle C++ Call Interface (OCCI) is an interface defined by the database company ORACLE that defines for the C++ programmer a comfortable interface to access the ORACLE database with classes using parameters that are reminiscent of SQL statements. The interface exists for ORACLE 9i and ORACLE 10g.
Originally, OCCI had a predecessor, called Oracle Call Interface (OCI), which is the interface used by C programmers.
OCCI has preferred over other methods in terms of performance. But portability is an issue
See also