Oracle Call Interface. Programmer's Guide by Melnick J.

By Melnick J.

The Oracle name Interface (OCI) is an software programming interface (API) that enables functions written in С or C++ to engage with a number of Oracle database servers. OCI provides your courses the aptitude to accomplish the total variety of database operations which are attainable with an Oracle database server, together with SQL assertion processing and item manipulation.

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Standards will continue to evolve over time, and Oracle is actively engaged with other market-leading technology vendors to address technical obstacles so that our documentation can be accessible to all of our customers. com/accessibility/ JAWS, a Windows screen reader, may not always correctly read the code examples in this document. The conventions for writing code require that closing braces should appear on an otherwise empty line; however, JAWS may not always read a line of text that consists solely of a bracket or brace.

OCI supports the datatypes, calling conventions, syntax, and semantics of C and C++. See Also: ■ ■ For information about the C++ Call interface, refer to Oracle C++ Call Interface Programmer’s Guide "Other Sources of Information about OCI" on page xl OCI provides: ■ ■ Improved performance and scalability through the efficient use of system memory and network connectivity. Consistent interfaces for dynamic session and transaction management in a two-tier client-server or multitier environment. ■ N-tiered authentication.

See the section "Binding Placeholders in PL/SQL" on page 5-5 for information about working with placeholders in PL/SQL. Embedded SQL OCI processes SQL statements as text strings, which an application passes to Oracle on execution. The Oracle precompilers (Pro*C/C++, Pro*COBOL, Pro*FORTRAN) allow you to embed SQL statements directly into your application code. A separate precompilation step is then necessary to generate an executable application. ■ It is possible to mix OCI calls and embedded SQL in a precompiler program.

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