Because Oracle Database continues to evolve and can require maintenance, Oracle
periodically produces new releases. Not all customers initially subscribe to a new
release or require specific maintenance for their existing release. As a result, multiple
releases of the product exist simultaneously.
As many as five numbers may be required to fully identify a release. The significance
of these numbers is discussed in the sections that follow.
To understand the release nomenclature used by Oracle, examine the following
example of an Oracle Database server labeled "Release 10.1.0.1.0".
识别Oracle软件的版本
10 : Major database release number 数据库主版本号
1 : Database maintenance release number 数据库维护版本号
0 : Application server release number 应用服务版本号
1 : Component specific release number 组件版本号
0 : Platform specific release number 平台版本号
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