Oracle9i中一个CU表被误修改了记录,怎么利用闪回查询几天前的数据?
Oracle9i中一个CU表被误修改了记录,怎么利用闪回查询几天前的数据?
SQL> select * from v$version ;
BANNER
----------------------------------------------------------------
Oracle9i Enterprise Edition Release 9.2.0.1.0 - Production
PL/SQL Release 9.2.0.1.0 - Production
CORE 9.2.0.1.0 Production
TNS for Linux: Version 9.2.0.1.0 - Production
NLSRTL Version 9.2.0.1.0 - Production