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--查看当前数据库中被锁定的表数量

SELECT COUNT(*) FROM v$locked_object;

select * from v$locked_object;

--查看具体被锁定的表

SELECT b.owner, b.object_name, a.session_id, a.locked_mode

FROM v$locked_object a, dba_objects b

WHERE b.object_id = a.object_id;

--查看被锁定的表

SELECT * FROM v$locked_object;

--查看是哪个session引起的

select a.OS_USER_NAME, c.owner, c.object_name, b.sid, b.serial#, logon_time

from v$locked_object a, v$session b, dba_objects c

where a.session_id = b.sid

and a.object_id = c.object_id AND a.OS_USER_NAME = 'suxu'

order by b.logon_time;

--杀掉对应进程,其中第一个值未为sid,第二个值为serial#

alter system kill session '9540,6613';