1、07771960830f0a6399157fefdb42c55挶L107782c167818df9514d84af402cf51fL107791ca92543a7e9166d29f90b4be4a儶L1077aa3fe2f87e22251abc9107e239fe頶L1077aea2668042fbb1d7717680220884砶L1077bba73333caf0bc4e83fa7d8c3981L1077bdec6814da77d3859a6293fa96beL1077e900d8dab76e00f2a7db0d310f7e栶L1077f33909a93b735f3c0d35472f9fe2
2、L1078204d3a68d860c56bb9da8e218beb甶L10783b5287791a502e6bbd59b099c31cL107841d1571ce9662049281acb876984L107841d1571ce9662049281acb876984L107842f06bb45ee2010cfca48a5dae58L107842f06bb45ee2010cfca48a5dae586L107849a321d6125447153166f1064a81L1077d7681950a3b024cd5df5b7f0e88bL10782fd25345260b439765235ff79b67L
3、10782b169a67f987201512b3700a37cd父L10785580c2cced7675eb16d9e86e7c6cL1077f2667ff8d810973f6c337b4d1a7fL1077e6f77d25388662a2fe06015f4f2fL10787d7bba3e2b179779e15b8e3a8a0fL1077961c05d8ba34830aedae7ee15b51蔶L107792e5b774cda54d95e73d8b862152L1077e45baf09a54077d752208018d468嘶L1077de6742c74eb16f0703708bb57439L
4、10780b3c62a3364ffd2b9cac04263320L10786a7ce8daabd19100dd32b1104772輶L1077974fe308ae72adb8044c9e441d93L1077c681642521b66cac2dceba2405c1L1078263b8b05b93d3806f3cbd9ffff67礶L1077f03bd6735191f187361b41b5613c笶L10780667573b6faa3422cad0c2bab174L107816e7e2723694f0529c784ccaa958L1078011ff1b1093486d16d44d2bfb4b5L
5、10782e9290d447144f0358e1e511e28eL1077e4a629b2268ac496988f145f68d2騶L1077d572dcbb5d3ea42f9e176e08753eL1078793722d8f318fbaf794d2e7e835bL10782d72cc772b22b8adbb170b58a8be餶L10779de47a842e799737f3c713ed3c12昶L1077ac3f9372036c97fb0195539bd8f3輶L107841db922c2e0c747827e2bc0f8824L10781a9653caf05b728e1e80614103d6
6、鐶L1077fcc0725c68f31506b8086158267cL107842bd835ba87fbf5781f28cd463c7崶L10780d61475258bbff663b415d4fd80bL107848c9d8ed47679ea7d8a4bbfea25a怶L1077bdbe372581035d0541a7d85ffdbcL1077adf49ac3b41a6844cae13c784c50漶L1077751fc966785b1bd94146de8b0e99L10787a5c2964afd999b5a0ea5fb403ec吶L1077f3cf5450791fd8e79ff2b81e6c
7、c1L10782c0791e150b68bde91c07c7212c6嬶L1077964996ab13b8aca2c8f6bed79ab1儶L1077f99d82bc84c9a8fece33fe3656bfL107821d13b67066b92bfac1ec3580e7fL10788461a7da6f4cb2076ae286b73c38鴶L10779ae0d7ed302c5420717de389a59f騶L1077f0c6f20596a811ad2d5a1649fa0f崶L1077ed8914b23a1d043851b77a27c962L10783db0426c904d6ed676bc39f7
8、3c71L10786d28d4adafc68b6c281c324f2e61L10780cdcf91ddc61a57c6d7712c063e8L1077907b0f5168d472339b0f26718b04L107864d35f55ff092b6935424fa13a7bL107870d9d56b04e9b9024b18bcd31795L107792d05bd5bde8c5ffecf8bb64493eL107833487c0f728884e42231a02e4fbc茶L1077f5feecbcc9047a8ed615af8492f8L1077f6cf4f2dec69a3ac2141e6bfe5
9、c1L107805cc7e28eab209acc85a0546644c蘶L10784d8c5e7bc7935c89e460382b9d62L10781cd3b0e7d465ffa1cd3644c32a63L10781be0e37973767728c249f4882823茶L10780619be92c641340c9fc50cb87258L1077c31ece4f93f143635c4e2e2dfacaL107873381b7a1d17dd66647539596acd圶L107858817598231848f47d296e9ac397稶L1077d9c24697e2676514d159a74a0
10、f46L10787df54e7ef3389926d465481cd9baL10783b6d2f12c299fdfbdbaeba06ab5d乸L10782e93287b260b783005e35ec459da舶侴L1077c9236c351a8a98c5c245d2b211e1侵L1077772b30d31ffd92d7dd026fc87d8c倣L10778fde2751530102c2d62637c2e19c元L1077e5a5a1a6cdbe5202c8a8d262c691劔L10785d01379a07d76677f70f508dfe0f勸L1077f8510569085505edddfa
11、39a64a69霶単L1078156c8c41d582474fec4722f8a79f帶厈L107777897bf284c16b7f48a9892dc480萶史L107873ed1dc5162fdaa94d31417bf843呀L1077f62d6aedceab6bb0a9246c1b0cc4咷L107851778b2734a189b2b96a108ad032响L1077ab71faf97fc72d352e18c54fd955啐L1077f5b44f64b469bd95b13cebc0689b囶L10786fe3e88fe9376d2dd0e21addcba6茶圎L1077aeafa39da0
12、56bafea04e62b18c40坯L10779dcc942bf0af0f7e453489c9fe0fL107a41036359b650563d6078294f88b5匶L107a61986f7e8d34f15b6d8ab792a442L1078e0ffbb28aa4dd862f6061ad8a616漶L1077751fc966785b1bd94146de8b)(氀匀%鰀氀讀缁缀節貔%頀h琀椀匃嬃嬃嬃范范范范范范范范范范范范范范范范范范蔃琀捎瀀搀昀瀀椀挀最椀昀琀捎瀀搀昀尀尀戀愀愀攀戀搀搀戀愀琀挀椀瀀眀椀眀儀戀椀倀琀氀挀洀匀倀瀀夀琀倀瘀挀椀夀瘀椀吀儀刀稀渀匀渀堀眀挀攀攀搀昀昀挀挀攀戀伀栀頀1罢
13、耀崀錀蘀DH|)A)|)胔-鑻6棙6i缀$数据库系统概论An Introduction to Database System第8讲 数. .pptpic1.gif数据库系统概论AnIntroductiontoDatabaseSystem第8讲数.ppt2019-820547efa8d-187c-48e1-bf9e-52f73a0570b7agFrhcFuGYi3cpy9YP4aopNfV4Lp+bOs5omD2gDfR14v4OzcCPsWFg=数据库,系统,概论,AnIntroductiontoDatabaseSystemec02f6243789fe0567717f8bf154b240数据库
14、系统概论An Introduction to Database System第8讲 数据库恢复技术第8讲 数据库恢复技术8.1 事务的基本概念8.2 数据库恢复概述8.3 故障的种类8.4 恢复的实现技术8.5 恢复策略8.6 具有检查点的恢复技术8.7 数据库镜像8.8 小结8.1 事务的基本概念一、什么是事务二、如何定义事务三、事务的特性一、什么是事务事务(Transaction)是用户定义的一个数据库操作序列，这些操作要么全做，要么全不做，是一个不可分割的工作单位事务和程序是两个概念 在关系数据库中，一个事务可以是一条SQL语句，一组SQL语句或整个程序 一个应用程序通常包含多个事务事务是恢复和并发控制的基本单位二、如何定义事务显式定义方式BEGIN TR
