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oracle數(shù)據(jù)庫被鎖了怎么解鎖 oracle數(shù)據(jù)庫鎖表怎么解決?

oracle數(shù)據(jù)庫鎖表怎么解決?首先你要知道表鎖住了是不是正常鎖?因?yàn)槿魏蜠ML語句都會(huì)對(duì)表加鎖。你要先查一下是那個(gè)會(huì)話那個(gè)sql鎖住了表,有可能這是正常業(yè)務(wù)需求,不建議隨便KILLsession,如

oracle數(shù)據(jù)庫鎖表怎么解決?

首先你要知道表鎖住了是不是正常鎖?因?yàn)槿魏蜠ML語句都會(huì)對(duì)表加鎖。你要先查一下是那個(gè)會(huì)話那個(gè)sql鎖住了表,有可能這是正常業(yè)務(wù)需求,不建議隨便KILLsession,如果這個(gè)鎖表是正常業(yè)務(wù)你把sessionkill掉了會(huì)影響業(yè)務(wù)的。建議先查原因再做決定。(1)鎖表查詢的代碼有以下的形式:selectcount(*)fromv$locked_objectselect*fromv$locked_object(2)查看哪個(gè)表被鎖selectb.owner,b.object_name,a.session_id,a.locked_modefromv$locked_objecta,dba_objectsbwhereb.object_id=a.object_id(3)查看是哪個(gè)session引起的selectb.username,b.sid,b.serial#,logon_timefromv$locked_objecta,v$sessionbwherea.session_id=b.sidorderbyb.logon_time(4)查看是哪個(gè)sql引起的selectb.username,b.sid,b.serial#,c.*fromv$locked_objecta,v$sessionb,v$sqlcwherea.session_id=b.sidandb.SQL_ID=c.sql_idandc.sql_id=""orderbyb.logon_time(5)殺掉對(duì)應(yīng)進(jìn)程執(zhí)行命令:altersystemkillsession"1025,41"其中1025為sid,41為serial#.

怎么查看oracle是否鎖表?

Oracle數(shù)據(jù)庫操作中,我們有時(shí)會(huì)用到鎖表查詢以及解鎖和kill進(jìn)程等操作,那么這些操作是怎么實(shí)現(xiàn)的呢?本文我們主要就介紹一下這部分內(nèi)容。(1)鎖表查詢的代碼有以下的形式:select count(*) from v$locked_objectselect * from v$locked_object(2)查看哪個(gè)表被鎖select b.owner,b.object_name,a.session_id,a.locked_mode from v$locked_object a,dba_objects b where b.object_id = a.object_id(3)查看是哪個(gè)session引起的select b.username,b.sid,b.serial#,logon_time from v$locked_object a,v$session b where a.session_id = b.sid order by b.logon_time (4)殺掉對(duì)應(yīng)進(jìn)程執(zhí)行命令:alter system kill session"1025,41"其中1025為sid,41為serial#.