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我也遇到同样的问题了,你是如何解决的呢;
备库
SQL> select open_mode,database_role,switchover_status from v$database;
OPEN_MODE DATABASE_ROLE SWITCHOVER_STATUS
-------------------- ---------------- --------------------
READ ONLY WITH APPLY PHYSICAL STANDBY NOT ALLOWED
SQL>
主库
SQL> select open_Mode,database_role,switchover_status from v$database;
OPEN_MODE DATABASE_ROLE SWITCHOVER_STATUS
-------------------- ---------------- --------------------
READ WRITE PRIMARY TO STANDBY
SQL>
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