https://blog.youkuaiyun.com/dorothy___zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/dorothy___/article/details/72475020https://blog.youkuaiyun.com/dorothy___/article/details/72475020dorothy___Thu, 18 May 2017 16:52:01 +0800https://blog.youkuaiyun.com/dorothy___/article/details/72453114https://blog.youkuaiyun.com/dorothy___/article/details/72453114dorothy___Wed, 17 May 2017 21:24:42 +0800https://blog.youkuaiyun.com/dorothy___/article/details/71844556https://blog.youkuaiyun.com/dorothy___/article/details/71844556dorothy___Sat, 13 May 2017 17:13:21 +0800https://blog.youkuaiyun.com/dorothy___/article/details/71479159https://blog.youkuaiyun.com/dorothy___/article/details/71479159dorothy___Tue, 09 May 2017 15:37:52 +0800https://blog.youkuaiyun.com/dorothy___/article/details/71473676https://blog.youkuaiyun.com/dorothy___/article/details/71473676dorothy___Tue, 09 May 2017 15:07:07 +0800https://blog.youkuaiyun.com/dorothy___/article/details/71440368https://blog.youkuaiyun.com/dorothy___/article/details/71440368dorothy___Tue, 09 May 2017 11:14:03 +0800https://blog.youkuaiyun.com/dorothy___/article/details/71436023https://blog.youkuaiyun.com/dorothy___/article/details/71436023dorothy___Mon, 08 May 2017 21:31:32 +0800https://blog.youkuaiyun.com/dorothy___/article/details/71189403https://blog.youkuaiyun.com/dorothy___/article/details/71189403dorothy___Thu, 04 May 2017 22:04:03 +0800https://blog.youkuaiyun.com/dorothy___/article/details/71103998https://blog.youkuaiyun.com/dorothy___/article/details/71103998dorothy___Tue, 02 May 2017 21:06:17 +0800https://blog.youkuaiyun.com/dorothy___/article/details/71081034https://blog.youkuaiyun.com/dorothy___/article/details/71081034dorothy___Tue, 02 May 2017 14:33:46 +0800每次操作都先记录到redo日志中，当出现实例故障（像断电），导致数据未能更新到数据文件，则数据库重启时须redo，重新把数据更新到数据文件。undo->记录更改前的一份co]]>https://blog.youkuaiyun.com/dorothy___/article/details/70940605https://blog.youkuaiyun.com/dorothy___/article/details/70940605dorothy___Fri, 28 Apr 2017 20:07:59 +0800https://blog.youkuaiyun.com/dorothy___/article/details/70939673https://blog.youkuaiyun.com/dorothy___/article/details/70939673dorothy___Fri, 28 Apr 2017 19:25:15 +0800https://blog.youkuaiyun.com/dorothy___/article/details/70915736https://blog.youkuaiyun.com/dorothy___/article/details/70915736dorothy___Fri, 28 Apr 2017 15:29:54 +0800https://blog.youkuaiyun.com/dorothy___/article/details/70808383https://blog.youkuaiyun.com/dorothy___/article/details/70808383dorothy___Wed, 26 Apr 2017 16:43:24 +0800