SQL> archive log list; Database log mode Archive Mode Automatic archival Enabled Archive destination USE_DB_RECOVERY_FILE_DEST Oldest online log sequence 7 Next log sequence to archive 9 Current log sequence 9
SQL> create table time_back(name varchar(100)) tablespace users; Table created.
SQL> insert into time_back values('******* 1st *******'); 1 row created.
SQL> insert into time_back values('******* 2nd *******'); 1 row created.
SQL> commit; Commit complete.
SQL> alter database begin backup; Database altered.
C:\>copy c:\oracle\product\10.2.0\oradata\dba20\* "c:\Hot Backup" c:\oracle\product\10.2.0\oradata\dba20\CONTROL01.CTL c:\oracle\product\10.2.0\oradata\dba20\CONTROL02.CTL c:\oracle\product\10.2.0\oradata\dba20\CONTROL03.CTL c:\oracle\product\10.2.0\oradata\dba20\REDO01.LOG c:\oracle\product\10.2.0\oradata\dba20\REDO02.LOG c:\oracle\product\10.2.0\oradata\dba20\REDO03.LOG c:\oracle\product\10.2.0\oradata\dba20\SYSAUX01.DBF c:\oracle\product\10.2.0\oradata\dba20\SYSTEM01.DBF c:\oracle\product\10.2.0\oradata\dba20\TEMP01.DBF c:\oracle\product\10.2.0\oradata\dba20\TEST01.DBF c:\oracle\product\10.2.0\oradata\dba20\UNDOTBS01.DBF c:\oracle\product\10.2.0\oradata\dba20\USERS01.DBF 12 file(s) copied.
SQL> alter database end backup; Database altered.
SQL> create table time_back2(name varchar(100)) tablespace users; Table created.
SQL> desc time_back2; Name Null? Type ----------------------------------------- -------- -------------------- NAME VARCHAR2(100)
SQL> select to_char(sysdate,'yyyy-mm-dd hh24:mi:ss') from dual; TO_CHAR(SYSDATE,'YY ------------------- 2009-02-12 14:54:42
SQL> drop table time_back; Table dropped.
SQL> drop table time_back2; Table dropped.
SQL> shutdown immediate; Database closed. Database dismounted. ORACLE instance shut down.
Delete Data Files.
SQL> startup; ORACLE instance started. Total System Global Area 167772160 bytes Fixed Size 1247876 bytes Variable Size 75498876 bytes Database Buffers 83886080 bytes Redo Buffers 7139328 bytes Database mounted. ORA-01157: cannot identify/lock data file 4 - see DBWR trace file ORA-01110: data file 4: 'C:\ORACLE\PRODUCT\10.2.0\ORADATA\DBA20\USERS01.DBF'
C:\>copy /Y "c:\Hot Backup\*.DBF" c:\oracle\product\10.2.0\oradata\dba20\ c:\Hot Backup\SYSAUX01.DBF c:\Hot Backup\SYSTEM01.DBF c:\Hot Backup\TEMP01.DBF c:\Hot Backup\TEST01.DBF c:\Hot Backup\UNDOTBS01.DBF c:\Hot Backup\USERS01.DBF 6 file(s) copied.
SQL> recover database until time '2009-02-12 14:54:42’; Media recovery complete.
SQL> alter database open resetlogs; Database altered.
SQL> select * from time_back; NAME --------------------------------------------------------------------- ******* 1st ******* ******* 2nd *******
SQL> desc time_back2; Name Null? Type ----------------------------------------- -------- ----------------- NAME VARCHAR2(100) |