ORA-01940: 无法删除当前已连接的用户select username,sid,serial# from v$session where username TES
ORA-01940: 无法删除当前已连接的用户
select username,sid,serial# from v$session where username = 'TEST';alter system kill session'sid,serial#';eg: alter system kill session'9,4';drop user test cascade;
