Oracle Call Interface: Difference between revisions

Revision as of 14:27, 21 May 2021

Revision as of 23:38, 16 January 2022

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[[Oracle Corporation]] first released OCI (under the name HLI, the Host Language Interface) with Oracle Database version 6 in 1988. As HLI (and subsequently OCI) operated as wrappers for UPI, their original naming conventions closely resembled those of the UPI calls they were based upon. For example, the [[Rollback (data management)|rollback]] statement: the call <code>upirol</code> in UPI became <code>orol</code> in OCI.

Later, in Oracle8 (released in 1997), OCI calls acquired more descriptive names; <code>orol</code> became <code>OCITransRollback</code>. Subsequent improvements have been made in every version of OCI, including 11g (released in 2007). Oracle Corporation claims that OCI is "So reliable that every SQL statement in the Oracle Database executes with OCI".<ref>{{cite web |url=http://www.oracle.com/technology/tech/oci/index.html |url-status=dead |archive-url=https://web.archive.org/web/20040906134523/http://www.oracle.com/technology/tech/oci/index.html |archive-date=2004-09-06 |title=Oracle Call Interface}}</ref>

==Implementations==