--查看不同用户的连接数 select TERMINAL from v$session where username='username' and machine='machine' ---查询用户会话select username,serial#, sid from v$session where sid='sid'; ---删除相关用户会话 alter system kill session 'serial#, sid ' 例如删除PCISV7_DEV用户下机器号为ISS4606020016…