然而，如果节点备联合到单元中，它们可以被指派到不同的节点组，来区分单元中不同节点集合的能力。

However, as nodes are federated into the cell, they can be assigned to different node groups to distinguish the capabilities of different sets of nodes in the cell.

youdao

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。

You can add or drop online redo log file groups or members to the primary database without affecting the standby database.

youdao

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。

Similarly, you can drop log file groups or members from the primary database without affecting your standby database.

youdao