--更改列順序

SELECT * FROM ALL_OBJECTS
WHERE OWNER ='TDDJ' AND OBJECT_NAME='LSZD_JZDZB' AND OBJECT_TYPE='TABLE'
--54529

SELECT OBJ#,COL#,NAME FROM SYS.COL$ WHERE OBJ# =57689;

UPDATE SYS.COL$ SET COL# = 9 WHERE OBJ# = 57689 AND NAME= 'XMBM';
UPDATE SYS.COL$ SET COL# = 7 WHERE OBJ# = 57689 AND NAME= 'XZQBM';
UPDATE SYS.COL$ SET COL# = 8 WHERE OBJ# = 57689 AND NAME= 'FWQBM';
commit;

?

--解鎖

--查看鎖
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#';
--把鎖給KILL掉
alter system kill session '201,337';

?

?

--按機器名查看連接數

select count(1),
s.MACHINE from v$session s
--where s.MACHINE='shenzk'
group by s.MACHINE

?

--生成結束會話腳本

select ' ALTER SYSTEM KILL SESSION '''||s.SID||','||s.SERIAL#||''' immediate; ' from v$session s
where s.MACHINE='WIN-G3FOUQ70K3F'

?

?

轉載于:https://www.cnblogs.com/hoperboy/archive/2012/06/04/2534896.html

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