https://blog.youkuaiyun.com/insiderczh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/insiderc/article/details/4380409https://blog.youkuaiyun.com/insiderc/article/details/4380409insidercSat, 25 Jul 2009 22:27:00 +0800https://blog.youkuaiyun.com/insiderc/article/details/4380376https://blog.youkuaiyun.com/insiderc/article/details/4380376insidercSat, 25 Jul 2009 22:11:00 +0800https://blog.youkuaiyun.com/insiderc/article/details/4070871https://blog.youkuaiyun.com/insiderc/article/details/4070871insidercMon, 13 Apr 2009 21:25:00 +0800https://blog.youkuaiyun.com/insiderc/article/details/3883633https://blog.youkuaiyun.com/insiderc/article/details/3883633insidercThu, 12 Feb 2009 21:14:00 +0800https://blog.youkuaiyun.com/insiderc/article/details/2318131https://blog.youkuaiyun.com/insiderc/article/details/2318131insidercWed, 23 Apr 2008 15:27:00 +0800https://blog.youkuaiyun.com/insiderc/article/details/2055103https://blog.youkuaiyun.com/insiderc/article/details/2055103insidercSun, 20 Jan 2008 19:54:00 +0800https://blog.youkuaiyun.com/insiderc/article/details/2046109https://blog.youkuaiyun.com/insiderc/article/details/2046109insidercTue, 15 Jan 2008 23:53:00 +0800https://blog.youkuaiyun.com/insiderc/article/details/2046107https://blog.youkuaiyun.com/insiderc/article/details/2046107insidercTue, 15 Jan 2008 23:48:00 +0800https://blog.youkuaiyun.com/insiderc/article/details/2029575https://blog.youkuaiyun.com/insiderc/article/details/2029575insidercTue, 08 Jan 2008 01:17:00 +0800https://blog.youkuaiyun.com/insiderc/article/details/1821022https://blog.youkuaiyun.com/insiderc/article/details/1821022insidercFri, 12 Oct 2007 00:58:00 +0800https://blog.youkuaiyun.com/insiderc/article/details/1811484https://blog.youkuaiyun.com/insiderc/article/details/1811484insidercThu, 04 Oct 2007 22:35:00 +0800https://blog.youkuaiyun.com/insiderc/article/details/1811481https://blog.youkuaiyun.com/insiderc/article/details/1811481insidercThu, 04 Oct 2007 22:32:00 +0800https://blog.youkuaiyun.com/insiderc/article/details/1646607https://blog.youkuaiyun.com/insiderc/article/details/1646607insidercSun, 10 Jun 2007 14:09:00 +0800https://blog.youkuaiyun.com/insiderc/article/details/1575047https://blog.youkuaiyun.com/insiderc/article/details/1575047insidercSun, 22 Apr 2007 22:09:00 +0800https://blog.youkuaiyun.com/insiderc/article/details/1559850https://blog.youkuaiyun.com/insiderc/article/details/1559850insidercWed, 11 Apr 2007 02:06:00 +0800HTML>HEAD>title>PRIME DCAD经销商奖励系统title>  meta content="Microsoft Visual Studio .NET 7.1" name="GENERATOR">  meta ]]>https://blog.youkuaiyun.com/insiderc/article/details/1539203https://blog.youkuaiyun.com/insiderc/article/details/1539203insidercFri, 23 Mar 2007 21:43:00 +0800https://blog.youkuaiyun.com/insiderc/article/details/1539187https://blog.youkuaiyun.com/insiderc/article/details/1539187insidercFri, 23 Mar 2007 21:27:00 +0800https://blog.youkuaiyun.com/insiderc/article/details/1536995https://blog.youkuaiyun.com/insiderc/article/details/1536995insidercThu, 22 Mar 2007 02:33:00 +0800https://blog.youkuaiyun.com/insiderc/article/details/1536934https://blog.youkuaiyun.com/insiderc/article/details/1536934insidercWed, 21 Mar 2007 23:49:00 +08001。 初步判断是select较多,还是insert较多>如果是select较多，建议建立索引；>如果是insert较多，则建立索引不一定能提高效率，反而相应的操作要在索引和表上>进行两次，降低了效率。可以insert之后再建立索引。>[索引设计建议]>缺省情况下建立的索引是非集群索引,但有时并不是最佳的;>合理的索引设计要建立在对各种查询的分析和预测上.>(1) 有大量重复值、且经常有范围查询（]]>https://blog.youkuaiyun.com/insiderc/article/details/1526024https://blog.youkuaiyun.com/insiderc/article/details/1526024insidercSat, 10 Mar 2007 22:51:00 +0800