1、創建表T2
SQL> create table t2(
a1 number(10),
a2 char(10)) tablespace users;
2.插入兩行數據
SQL> insert into t2 values (33,'cc');
SQL> commit;
SQL> alter system switch logfile;
SQL> insert into t2 values(44,'dd');
SQL> commit;
3.非正常關閉數據庫,沒有執行檢查點
SQL> shutdown abort
ORACLE instance shut down.
4.模擬聯機日誌損壞
SQL> host rm -rf /database/ykg/ykg*.log
5.查看當前正在使用的歸檔日誌
SQL> archive log list
Database log mode Archive Mode
Automatic archival Enabled
Archive destination USE_DB_RECOVERY_FILE_DEST
Oldest online log sequence 4
Next log sequence to archive 5
Current log sequence 5
6.數據庫不完全恢復
RMAN> run {
2> restore database;
3> recover database until sequence 5 thread 1;
4> alter database open resetlogs;}
備註:做過不完全恢復後需要立即執行一次完整備份,不能連續執行兩次不完全恢復.