DataGuard
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【DataGuard】Physical standby 与 Snapshot standby 之间切换
环境：DataGuard PhysicalStandby主库：Oracle RAC11.2.0.3备库：Oralce 单实例 11.2.0.3 Physical standby 状态查询 1.查询主库状态SQL>select open_mode,database_role,switchover_status from gv$database;OPEN_MODE DATABAS...
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【DataGuard】Oracle 11g physical standby switchover
环境：DataGuard physical standby主库：Oracle 11g RAC备库：Oracle 11g 单实例 主备切换主库切换为备库 查询主库状态SQL> select database_role,switchover_statusfrom v$database;DATABASE_ROLE SWITCHOVER_STATUS...
