MySQLDBA從小白到大神MySQLDBA從小白到大神第7MySQL鎖機制與事務(wù)機制實DATAGURU專業(yè)數(shù)據(jù)分析煉數(shù)成金逆向收費式網(wǎng)絡(luò)煉數(shù)成金逆向收費式網(wǎng)絡(luò)課DATAGURU專業(yè)數(shù)據(jù)分析個人介個人介DATAGURU專業(yè)數(shù)據(jù)分析聯(lián)系微信公眾賬號技術(shù)博客DATAGURU專業(yè)數(shù)據(jù)分析聯(lián)系微信公眾賬號技術(shù)博客DATAGURU專業(yè)數(shù)據(jù)分析內(nèi)什么是事事務(wù)的屬事務(wù)編鎖內(nèi)什么是事事務(wù)的屬事務(wù)編鎖的概?????InnoDB鎖分MDL鎖分死鎖原理與分減少死鎖的方???DATAGURU專業(yè)數(shù)據(jù)分析提問DATAGURU專業(yè)數(shù)據(jù)分析提問DATAGURU專業(yè)數(shù)據(jù)分析什么是事DATAGURU專業(yè)數(shù)據(jù)分析什么是事DATAGURU專業(yè)數(shù)據(jù)分析事務(wù)的屬DATAGURU專業(yè)數(shù)據(jù)分事務(wù)的屬DATAGURU專業(yè)數(shù)據(jù)分析DATAGURU專業(yè)數(shù)據(jù)分析DATAGURU專業(yè)數(shù)據(jù)分析事務(wù)的隔離級DATAGURU專業(yè)數(shù)據(jù)分析事務(wù)的隔離級DATAGURU專業(yè)數(shù)據(jù)分析事務(wù)隔離級別可以解決臟事務(wù)隔離級別可以解決臟讀，不可重復(fù)讀、幻DATAGURU專業(yè)數(shù)據(jù)分析事務(wù)編程的不好習(xí)DATAGURU專事務(wù)編程的不好習(xí)DATAGURU專業(yè)數(shù)據(jù)分析鎖的概DATAGURU專業(yè)數(shù)據(jù)分析鎖的概DATAGURU專業(yè)數(shù)據(jù)分析InnoDB存儲引擎中DATAGURU專業(yè)數(shù)InnoDB存儲引擎中DATAGURU專業(yè)數(shù)據(jù)分析updatet1setname=‘a(chǎn)aaaa’id=1;加updatet1setname=‘a(chǎn)aaaa’id=1;加鎖分DATAGURU專業(yè)數(shù)據(jù)分析InnoDBrowlockDATAGURU專業(yè)數(shù)據(jù)InnoDBrowlockDATAGURU專業(yè)數(shù)據(jù)分析行鎖分DATAGURU專業(yè)數(shù)據(jù)分析行鎖分DATAGURU專業(yè)數(shù)據(jù)分析測試RecordDATAGURU專業(yè)數(shù)據(jù)分析測試RecordDATAGURU專業(yè)數(shù)據(jù)分析DATAGURU專業(yè)數(shù)據(jù)分析DATAGURU專業(yè)數(shù)據(jù)分析這條SQL會加哪些鎖？（事務(wù)隔離級別：重復(fù)讀這條SQL會加哪些鎖？（事務(wù)隔離級別：重復(fù)讀DATAGURU專業(yè)數(shù)據(jù)分析這SQL會加哪些鎖DATAGURU專業(yè)數(shù)這SQL會加哪些鎖DATAGURU專業(yè)數(shù)據(jù)分析MDLDATAGURU專業(yè)數(shù)據(jù)分析MDLDATAGURU專業(yè)數(shù)據(jù)分析解決metadataDATAGURU專業(yè)數(shù)據(jù)分解決metadataDATAGURU專業(yè)數(shù)據(jù)分析死鎖原理與分DATAGURU專業(yè)數(shù)據(jù)分析死鎖原理與分DATAGURU專業(yè)數(shù)據(jù)分析死鎖情況session1updatet1setname=‘CCCCC'死鎖情況session1updatet1setname=‘CCCCC'wheresession2updatet1setname=‘DDDDD'whereupdatet1setname=‘ddddd'whereupdatet1setname=‘ccccc'whereDeadDATAGURU專業(yè)數(shù)據(jù)分析死鎖情況SessionSessionselect*fromt3whereage>50forselect*fromt3wherename='tom'for|id|name|age|死鎖情況SessionSessionselect*fromt3whereage>50forselect*fromt3wherename='tom'for|id|name|age|||id|name|age|||1|tom|6|tom90||6|tom|beijing160|beijing|1|tom |12select*fromTable:t3CreateTable:CREATETABLE`t3``id`int(11)NOTNULLDEFAULT`name`varchar(10)DEFAULT`age`int(11)DEFAULTPRIMARYKEY(`id`),KEY`idx_age`(`age`))ENGINE=InnoDBDEFAULT1rowinset(0.00|id|name|age|||||||1468|tom|jack|tom90|30|shanghai60| |||50||10|10|guangzhouDead|100|rose20| GURU專業(yè)數(shù)減少死鎖的方DATAGURU專業(yè)數(shù)據(jù)分析減少死鎖的方DATAGURU專業(yè)數(shù)據(jù)分析查找select*frominformation_schema.innodb_trx表中，幾查找select*frominformation_schema.innodb_trx表中，幾個最常用的字段：trx_wait_started:事務(wù)等待開始的時間#查看innodbshowengineinnodbr.trx_idwaiting_trx_id,r.trx_querywaiting_query,b.trx_idblocking_trx_id,b.trx_queryblocking_queryINNERJOINinformation_schema.innodb_trxbONb.trx_id=w.blocking_trx_idONr.trx_id=w.requesting_trx_id;lock_index:鎖的索引lock_s