摘要:
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摘要:
Step 1 Verify that the primary database can be switched to the standby role.验证主库能够切换到备用角色。SELECT SWITCHOVER_STATUS FROM V$DATABASE;idle>:wqSWITCHOVER_STATUS--------------------TO STANDBYStep 2 Initiate the switchover on the primary database.在主库上面开始切换alter database commit to switchover to physical 阅读全文