1. Cancel MRP. SQL> alter database recover managed standby database cancel; Database altered. 2. Alter the standby database to read only. SQL> alter database open read only; Database altered. 3. Start MRP. SQL>alter database recover managed standby database disconnect from session; Databa...
2. Alter the standby database to read only. SQL> alter database open read only; Database altered. 3. Start MRP. SQL>alter database recover managed standby database disconnect from session; Database altered. 4. Check the status of the standby database after enabling real-time apply. SQL>...
8. Start MRP recovery process [ STANDBY] alter database recover managed standby database disconnect from session;
Start the recovery(MRP) on standby: STANDBY> select PROCESS,CLIENT_PROCESS,THREAD#,SEQUENCE#,BLOCK# from v$managed_standby where process = 'MRP0' or client_process='LGWR'; PROCESS CLIENT_P THREAD# SEQUENCE# BLOCK# --- --- --- --- --- RFS LGWR 1 37628 1358 STANDBY> alter database ...
如右图，在Rt△ABC中，∠ACB=90°，BC=3，AC=4，AB的垂直平分线DE交BC的延长线于点E，则CE的长为（）．