The processes in an Oracle system can be categorized into two major groups:
■ User processes run the application or Oracle tool code.
■ Oracle processes run the Oracle database server code. They include server
processes and background processes.
The process structure varies for different Oracle configurations, depending on the
operating system and the choice of Oracle options. The code for connected users can
be configured as a dedicated server or a shared server.
With dedicated server, for each user, the database application is run by a different
process (a user process) than the one that runs the Oracle database server code (a
dedicated server process).
With shared server, the database application is run by a different process (a user
process) than the one that runs the Oracle database server code. Each server process
that runs Oracle database server code (a shared server process) can serve multiple
2. 运行数据库服务代码的进程 , 包括服务器进程和后台进程3. 专有模式下 , Oracle为每一个连接分配一个服务进程 , 共享模式下 , 则可共享[@more@]
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