2.4. Starting Up and Shutting Down an Oracle Database
As a DBA, you are responsible for startup and shutdown of the Oracle instance. Oracle gives authorized administrators the ability to perform this task using a variety of interfaces. It is important to understand the options that are available to you to start up and shut down the Oracle instance and when the various options can or should be used.
To start up or shut down an Oracle instance, you need to be connected to the database with the appropriate privileges. Two special connection accounts authorizations are available for startup and shutdown: SYSDBA or SYSOPER. The SYSDBA authorization is an all-empowering authorization that allows you to perform any database task. The SYSOPER authorization ...
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