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Oracle is an RDBMS product. Specific releases of the product are known as Oracle9i, Oracle10g and Oracle 11g. Generally there are two releases within each major version. Questions tagged oracle11g are assumed to be specific to this version or features introduced in this version.

There are two releases of the Oracle 11g RDBMS software, 11gR1 and 11gR2. Questions tagged with are assumed to be specific to this version or features introduced in this version. It is generally advisable to specify the full database version (e.g. 11.2.0.2) and it is often useful to include the underlying operating system.

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