Do you really want to delete the above objects (enter YES or NO)? yes
deleted datafile copy
datafile copy filename=/datafile/data9.dbf recid=13 stamp=975320371
deleted datafile copy
datafile copy filename=/datafile/data10.dbf recid=14 stamp=975320371
deleted datafile copy
datafile copy filename=/datafile/datafile11.dbf recid=15 stamp=975320371
Deleted 3 objects
4.2 开启日志应用：
SQL> --recover_std_real
SQL> alter database recover managed standby database using current logfile disconnect from session;
Database altered.
SQL> set lines 1000
SQL> select * from v$dataguard_stats;
NAME VALUE UNIT TIME_COMPUTED
-------------------------------- ---------------------------------------------------------------- ------------------------------ ------------------------------
apply finish time +00 00:00:00.0 day(2) to second(1) interval 05-MAY-2018 10:20:56
apply lag +00 00:02:00 day(2) to second(0) interval 05-MAY-2018 10:20:56
estimated startup time 41 second 05-MAY-2018 10:20:56
standby has been open N 05-MAY-2018 10:20:56
transport lag +00 00:00:00 day(2) to second(0) interval 05-MAY-2018 10:20:56
SQL> select recovery_mode from v$archive_dest_status;
RECOVERY_MODE
-----------------------
MANAGED REAL TIME APPLY
IDLE
IDLE
IDLE
IDLE
IDLE
IDLE
IDLE
IDLE
IDLE
IDLE
11 rows selected.
至此，就完成了客户的需求，我们可以多思考一下，如果客户环境是11g的ADG环境呢？会有哪些不同呢？