ORA-01940:无法删除当前已链接的用户解决
(1)查看用户的连接状况select username,sid,serial# from v$session------------------------------------------如下结果:username sid serial#----------------------------------------NETBNEW 513 22974NETBNEW 514 18183NETBNEW 516 21573NETBNEW 531 9WUZHQ 532 4562(2)找到要删除用户的sid,和serial,并删除-------------------------------------------如:你要删除用户'WUZHQ',可以