1.创建还原点

create restore point test_scn guarantee flashback database;

create restore point BEFORE_UPGRADE guarantee flashback database;

2.查看还原点

1* select name,TIME from v$restore_point

NAME TIME

-------------------- ----------------------------------------

TEST_SCN 10-DEC-12 12.21.08.000000000 AM

BEFORE_UPGRADE 10-DEC-12 12.37.01.000000000 AM

3.删除还原点

drop restore point TEST_SCN;

drop restore point BEFORE_UPGRADE;