Oracle恢復數據 Tips

恢復被刪除的table: 

--select tablespace_name,RETENTION from dba_tablespaces where tablespace_name='UNDOTBS1';

show recyclebin


FLASHBACK TABLE TSTFORM100_SUB1 TO  BEFORE DROP;

--alter table TSTFORM100_SUB1  --drop column changetype_newc
--rename to TSTFORM100_SUB1_1

恢復被誤操作的數據：（flashback query）

--create table TSTFORM100_ABC AS

 select * from TSTFORM100 as of timestamp to_timestamp('2014-09-28 15:00:19','yyyy-mm-dd hh24:mi:ss')