Indicate which file groups you want installed.
指出要安装的文件组。
Similarly, you can drop log file groups or members from the primary database without affecting your standby database.
同样的,你可以在主库删除日志文件组或成员而不影响你的备库。
You can add or drop online redo log file groups or members to the primary database without affecting the standby database.
你可以在主库添加或删除在线重做日志组或者日志成员而不影响备库。
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