1>sqlplus / as sysdba 进入sqlplus
2>drop user USER cascade
3>create user USER IDENTIFIED BY PASSWD 创建用户和密码
4>GRANT CREATE SESSION TO USER
5>grant dba to USER
6>返回dos,在dos下输入:imp userid=USER/****@orcl file=c:\src.dmp log=c:\src.log full=y ignore=y