--查看鎖表進程SQL語句1：
--被鎖對象表、數據庫對象表、數據session表關聯來獲取被鎖對象對應的是那個session；
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
where ao.object_id = lo.object_id and lo.session_id = sess.sid;
--查看鎖表進程SQL語句2：
select * from v$session t1, v$locked_object t2 where t1.sid = t2.SESSION_ID;
--查看導致鎖表的sql語句是那一條
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#;
--殺掉鎖表進程：
--通過上面的查詢獲取SID和serial#，替換下面的x,y,就可以解除被鎖的狀態
alter system kill session 'x,y';