Oracle 数据库操作 导入导出 删除用户 表空间

exp dbuser/oracle file=dbuser.dmplog=dbuser.log owner=dbuser buffer=4096000 feedback=10000;

imp dbuser/pwd file=E:/dbuser.dmp log=E:/dbuser.log fromuser=dbuser2 touser=dbuser buffer=2048000 commit=y ignore=y feedback=10000;

drop user dbuser cascade;

drop tablespace dbspacename including contentsand datafiles;