oracle锁表的原因

select sess.sid,

       sess.serial#,

       lo.oracle_username,

       lo.os_user_name,

       ao.object_name,

       lo.locked_mode

from v$locked_object lo, dba_objects ao, v$session sess, v$process p

where ao.object_id = lo.object_id and lo.session_id = sess.sid;

select l.session_id sid,

       s.serial#,

       l.locked_mode,

       l.oracle_username,

       s.user#,

       l.os_user_name,

       s.machine,

       s.terminal,

       a.sql_text,

       a.action

  from v$sqlarea a, v$session s, v$locked_object l

where l.session_id = s.sid and s.prev_sql_addr = a.address

order by sid, s.serial#;

alter system kill session 'sid,serial#';

serial# v$session 这个视图中取出来的