Oracle The version is very many, first look at a version of the 11g description:
Attention:
after the Oracle 9.2 version number, Oracle's maintenance release numbers are changed at the second digit bit. And before that is in the third digit digit.
1. Major Database Release Number
the first digit bit, which represents a new version number of the software, also marks some new features. such as 11g. 10g.
2. Database Maintenance Release Number
the second digit bit, which represents a maintenance release level. May also include some new features.
3. Fusion Middleware Release Number
The third digit digit. The version that responds to Oracle Middleware (Oracle Fusion Middleware).
4. Component-specific Release Number
The fourth digit bit, mainly for the publication level of the component. Different components have different numbers. For example , an Oracle patch package.
5. Platform-specific Release Number
The fifth digit bit , which identifies the version number of a platform. usually meansPatchnumber.
Oracle Version Number description