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數(shù)據(jù)庫(kù)鎖定后怎么解鎖 oracle數(shù)據(jù)庫(kù)被鎖了怎么辦?

oracle數(shù)據(jù)庫(kù)被鎖了怎么辦?用戶被鎖了?FAILED_LOGIN_ATTEMPTS參數(shù)默認(rèn)是10,即:用戶連續(xù)輸入10次錯(cuò)誤密碼,用戶會(huì)被鎖?。豢梢允褂闷渌麚碛蠨BA權(quán)限的用戶進(jìn)行解鎖;alter

oracle數(shù)據(jù)庫(kù)被鎖了怎么辦?

用戶被鎖了?

FAILED_LOGIN_ATTEMPTS參數(shù)默認(rèn)是10,即:用戶連續(xù)輸入10次錯(cuò)誤密碼,用戶會(huì)被鎖??;

可以使用其他擁有DBA權(quán)限的用戶進(jìn)行解鎖;

alter user username account unlock

如果是數(shù)據(jù)庫(kù)內(nèi)部出現(xiàn)死鎖或阻塞會(huì)話,可以先查出阻塞的會(huì)話,

select * from dba_waiters

在殺掉阻塞的會(huì)話

alter system kill session "sid,serial#"

測(cè)試環(huán)境,可以直接重啟數(shù)據(jù)庫(kù)!

數(shù)據(jù)庫(kù)中某條數(shù)據(jù)被鎖了。如何解鎖?

1、查看數(shù)據(jù)庫(kù)鎖,診斷鎖的來(lái)源及類型:

  select object_id,session_id,locked_mode from v$locked_object

或者用以下命令:

select b.owner,b.object_name,l.session_id,l.locked_mode

from v$locked_object l, dba_objects b

where b.object_id=l.object_id 2、找出數(shù)據(jù)庫(kù)的serial#,以備殺死:

   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 3、殺死該session

  alter system kill session "sid,serial#"

記得以上是用SYS或者SYSTEM賬戶進(jìn)入,要不沒(méi)權(quán)限。