https://blog.youkuaiyun.com/ljsqlzh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/ljsql/article/details/88574305https://blog.youkuaiyun.com/ljsql/article/details/88574305ljsqlFri, 15 Mar 2019 14:53:54 +0800https://blog.youkuaiyun.com/ljsql/article/details/88549943https://blog.youkuaiyun.com/ljsql/article/details/88549943ljsqlThu, 14 Mar 2019 11:43:28 +0800https://blog.youkuaiyun.com/ljsql/article/details/88531444https://blog.youkuaiyun.com/ljsql/article/details/88531444ljsqlWed, 13 Mar 2019 14:17:14 +0800https://blog.youkuaiyun.com/ljsql/article/details/88413495https://blog.youkuaiyun.com/ljsql/article/details/88413495ljsqlTue, 12 Mar 2019 08:57:51 +0800https://blog.youkuaiyun.com/ljsql/article/details/76254525https://blog.youkuaiyun.com/ljsql/article/details/76254525ljsqlFri, 28 Jul 2017 14:24:38 +0800https://blog.youkuaiyun.com/ljsql/article/details/68945400https://blog.youkuaiyun.com/ljsql/article/details/68945400ljsqlSat, 01 Apr 2017 16:02:01 +0800https://blog.youkuaiyun.com/ljsql/article/details/68945315https://blog.youkuaiyun.com/ljsql/article/details/68945315ljsqlSat, 01 Apr 2017 15:55:56 +0800https://blog.youkuaiyun.com/ljsql/article/details/60746626https://blog.youkuaiyun.com/ljsql/article/details/60746626ljsqlTue, 07 Mar 2017 09:34:18 +0800https://blog.youkuaiyun.com/ljsql/article/details/44057893https://blog.youkuaiyun.com/ljsql/article/details/44057893ljsqlWed, 04 Mar 2015 11:28:42 +0800https://blog.youkuaiyun.com/ljsql/article/details/8551166https://blog.youkuaiyun.com/ljsql/article/details/8551166ljsqlTue, 29 Jan 2013 09:13:45 +0800https://blog.youkuaiyun.com/ljsql/article/details/7863862https://blog.youkuaiyun.com/ljsql/article/details/7863862ljsqlTue, 14 Aug 2012 11:08:20 +0800https://blog.youkuaiyun.com/ljsql/article/details/7743048https://blog.youkuaiyun.com/ljsql/article/details/7743048ljsqlFri, 13 Jul 2012 10:22:49 +0800https://blog.youkuaiyun.com/ljsql/article/details/7458482https://blog.youkuaiyun.com/ljsql/article/details/7458482ljsqlFri, 13 Apr 2012 16:40:07 +0800https://blog.youkuaiyun.com/ljsql/article/details/7458478https://blog.youkuaiyun.com/ljsql/article/details/7458478ljsqlFri, 13 Apr 2012 16:39:29 +0800https://blog.youkuaiyun.com/ljsql/article/details/7458443https://blog.youkuaiyun.com/ljsql/article/details/7458443ljsqlFri, 13 Apr 2012 16:36:01 +0800https://blog.youkuaiyun.com/ljsql/article/details/6880781https://blog.youkuaiyun.com/ljsql/article/details/6880781ljsqlMon, 17 Oct 2011 12:00:03 +0800https://blog.youkuaiyun.com/ljsql/article/details/6833980https://blog.youkuaiyun.com/ljsql/article/details/6833980ljsqlThu, 29 Sep 2011 14:51:29 +0800https://blog.youkuaiyun.com/ljsql/article/details/6653602https://blog.youkuaiyun.com/ljsql/article/details/6653602ljsqlTue, 02 Aug 2011 13:58:22 +0800https://blog.youkuaiyun.com/ljsql/article/details/6317415https://blog.youkuaiyun.com/ljsql/article/details/6317415ljsqlTue, 12 Apr 2011 10:37:00 +0800 今天看到别人的一篇文章感觉不错引用一下。
Ralph Kimball在《The Data Warehouse Toolkit》一书中，将维度建模的过程归纳为四个步骤：
确定业务流程(Select the business process to model)
确定分析粒度(Declare the grain of the business process)
确定维度(Choose the dimensions that apply ]]>https://blog.youkuaiyun.com/ljsql/article/details/6316925https://blog.youkuaiyun.com/ljsql/article/details/6316925ljsqlTue, 12 Apr 2011 00:00:00 +0800摘要：本文档介绍了 SQL Server 2005 Enterprise Edition 中经过改进的索引视图功能。文中对索引视图进行了说明介绍，并讨论了可通过该功能改善性能的一些具体情况。
什么是索引视图？
多年以来，Microsoft® SQL Server™ 一直支持创建称为视图的虚拟表。通常，这些视图的主要作用是：

• 提供一种安全机制，将用户限制到一个或多个基表的某个数据子集中。
 
• 提供一种机制，允许开发人员自定义用]]>