自动备份

bat文件

cd G:\Gongsi\BUEMIS\BEMIS_SRC\RM.Web\db_bak\IMPDP
G:
del oa%date:~8,2%.dmp
expdp BEMIS_DB/BEMIS_DB@orcl directory=BEMIS_DIR dumpfile=oa%date:~8,2%.dmp