用户记录被锁住

select t2.username,t2.sid,t2.serial#,t2.logon_time

from v$locked_object t1,v$session t2

where t1.session_id=t2.sid  order by t2.logon_time;

alter system kill session  'sid,serial#'




查询数据库编码

select userenv('language') from dual;




查询数据库版本

select * from v$version;