(1)用具有dba权限的账户登录,查询用户的进程,然后kill.

select sid,serial# from v$session where username='ENVISIONV5';

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alter system kill session 'sid,serial#';

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(2)删除用户及用户下的所有表

drop user envisionV5 cascade;

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查询是否已被删除:

select * from dba_users where username = 'envisionV5';

--no rows selected?

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(3)创建用户并赋予管理员权限:

create user envisionV5 identified by envisionV5;

grant dba to envisionV5;

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(4)导入空库:

imp userid=envisionV5/envisionV5@orcl full=y file=D:\OAV5\blank14646to14949.dmp ignore=y ;

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