﻿<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>博客园-hill-随笔分类-SQL SERVER</title><link>http://www.cnblogs.com/hill/category/72697.html</link><description>收集学习中的点滴</description><language>zh-cn</language><lastBuildDate>Wed, 15 Feb 2012 06:03:58 GMT</lastBuildDate><pubDate>Wed, 15 Feb 2012 06:03:58 GMT</pubDate><ttl>60</ttl><item><title>关于使用存储过程的一些好处以及注意事项[转]</title><link>http://www.cnblogs.com/hill/archive/2006/10/12/527495.html</link><dc:creator>hill</dc:creator><author>hill</author><pubDate>Thu, 12 Oct 2006 08:12:00 GMT</pubDate><guid>http://www.cnblogs.com/hill/archive/2006/10/12/527495.html</guid><description><![CDATA[<p>存储过程天天用，关于使用存储过程的sql语句的争论也一直在，个人觉得使用存储过程要好于用sql语句，整理了一些说明：<img src="http://www.cnblogs.com/hill/aggbug/527495.html?type=1" width="1" height="1" alt=""/><p>作者: <a href="http://www.cnblogs.com/hill/" target="_blank">hill</a> 发表于 2006-10-12 16:12 <a href="http://www.cnblogs.com/hill/archive/2006/10/12/527495.html" target="_blank">原文链接</a></p><p>评论: 0　<a href="http://www.cnblogs.com/hill/archive/2006/10/12/527495.html#pagedcomment" target="_blank">查看评论</a>　<a href="http://www.cnblogs.com/hill/archive/2006/10/12/527495.html#commentform" target="_blank">发表评论</a></p><hr/><p>最新新闻：<br/>· <a href="http://news.cnblogs.com/n/131224/" target="_blank">软件开发人员的“七重苦”</a><span style="color:gray">(2012-02-15 13:42)</span><br/>· <a href="http://news.cnblogs.com/n/131223/" target="_blank">BitTorrentLive：电视终结者？</a><span style="color:gray">(2012-02-15 13:40)</span><br/>· <a href="http://news.cnblogs.com/n/131222/" target="_blank">Pinterest如何改变传统Web设计风格？</a><span style="color:gray">(2012-02-15 13:32)</span><br/>· <a href="http://news.cnblogs.com/n/131221/" target="_blank">MIT颁发证书的在线课程开放注册</a><span style="color:gray">(2012-02-15 13:18)</span><br/>· <a href="http://news.cnblogs.com/n/131220/" target="_blank">渣打中国率先推出支付宝快捷支付服务</a><span style="color:gray">(2012-02-15 13:15)</span><br/></p><p>网站导航：<a href="http://www.cnblogs.com" target="_blank">博客园首页</a>&nbsp;&nbsp;<a href="http://home.cnblogs.com/" target="_blank">我的园子</a>&nbsp;&nbsp;<a href="http://news.cnblogs.com" target="_blank">新闻</a>&nbsp;&nbsp;<a href="http://home.cnblogs.com/ing/" target="_blank">闪存</a>&nbsp;&nbsp;<a href="http://q.cnblogs.com/" target="_blank">博问</a>&nbsp;&nbsp;<a href="http://kb.cnblogs.com" target="_blank">知识库</a></p>]]></description></item><item><title>SQL 外链接操作小结</title><link>http://www.cnblogs.com/hill/archive/2006/10/12/527477.html</link><dc:creator>hill</dc:creator><author>hill</author><pubDate>Thu, 12 Oct 2006 07:58:00 GMT</pubDate><guid>http://www.cnblogs.com/hill/archive/2006/10/12/527477.html</guid><description><![CDATA[<p>简介:<br>外部连接和自联接<br>inner join(等值连接) 只返回两个表中联结字段相等的行<br>left join(左联接) 返回包括左表中的所有记录和右表中联结字段相等的记录<br>right join(右联接) 返回包括右表中的所有记录和左表中联结字段相等的记录<br>on 指定表间联结字段及其关系的等号 "=" 表达式, 返回 true 或 false. 当表达式返回 true 时, 则查询中包含该记录. <br>! 外部连接只能操作已存在于数据库中的数据<img src="http://www.cnblogs.com/hill/aggbug/527477.html?type=1" width="1" height="1" alt=""/><p>作者: <a href="http://www.cnblogs.com/hill/" target="_blank">hill</a> 发表于 2006-10-12 15:58 <a href="http://www.cnblogs.com/hill/archive/2006/10/12/527477.html" target="_blank">原文链接</a></p><p>评论: 0　<a href="http://www.cnblogs.com/hill/archive/2006/10/12/527477.html#pagedcomment" target="_blank">查看评论</a>　<a href="http://www.cnblogs.com/hill/archive/2006/10/12/527477.html#commentform" target="_blank">发表评论</a></p><hr/><p>最新新闻：<br/>· <a href="http://news.cnblogs.com/n/131224/" target="_blank">软件开发人员的“七重苦”</a><span style="color:gray">(2012-02-15 13:42)</span><br/>· <a href="http://news.cnblogs.com/n/131223/" target="_blank">BitTorrentLive：电视终结者？</a><span style="color:gray">(2012-02-15 13:40)</span><br/>· <a href="http://news.cnblogs.com/n/131222/" target="_blank">Pinterest如何改变传统Web设计风格？</a><span style="color:gray">(2012-02-15 13:32)</span><br/>· <a href="http://news.cnblogs.com/n/131221/" target="_blank">MIT颁发证书的在线课程开放注册</a><span style="color:gray">(2012-02-15 13:18)</span><br/>· <a href="http://news.cnblogs.com/n/131220/" target="_blank">渣打中国率先推出支付宝快捷支付服务</a><span style="color:gray">(2012-02-15 13:15)</span><br/></p><p>网站导航：<a href="http://www.cnblogs.com" target="_blank">博客园首页</a>&nbsp;&nbsp;<a href="http://home.cnblogs.com/" target="_blank">我的园子</a>&nbsp;&nbsp;<a href="http://news.cnblogs.com" target="_blank">新闻</a>&nbsp;&nbsp;<a href="http://home.cnblogs.com/ing/" target="_blank">闪存</a>&nbsp;&nbsp;<a href="http://q.cnblogs.com/" target="_blank">博问</a>&nbsp;&nbsp;<a href="http://kb.cnblogs.com" target="_blank">知识库</a></p>]]></description></item><item><title>表格的行转列</title><link>http://www.cnblogs.com/hill/archive/2006/10/12/527260.html</link><dc:creator>hill</dc:creator><author>hill</author><pubDate>Thu, 12 Oct 2006 05:34:00 GMT</pubDate><guid>http://www.cnblogs.com/hill/archive/2006/10/12/527260.html</guid><description><![CDATA[<p><img src="http://www.cnblogs.com/hill/aggbug/527260.html?type=1" width="1" height="1" alt=""/><p>作者: <a href="http://www.cnblogs.com/hill/" target="_blank">hill</a> 发表于 2006-10-12 13:34 <a href="http://www.cnblogs.com/hill/archive/2006/10/12/527260.html" target="_blank">原文链接</a></p><p>评论: 0　<a href="http://www.cnblogs.com/hill/archive/2006/10/12/527260.html#pagedcomment" target="_blank">查看评论</a>　<a href="http://www.cnblogs.com/hill/archive/2006/10/12/527260.html#commentform" target="_blank">发表评论</a></p><hr/><p>最新新闻：<br/>· <a href="http://news.cnblogs.com/n/131224/" target="_blank">软件开发人员的“七重苦”</a><span style="color:gray">(2012-02-15 13:42)</span><br/>· <a href="http://news.cnblogs.com/n/131223/" target="_blank">BitTorrentLive：电视终结者？</a><span style="color:gray">(2012-02-15 13:40)</span><br/>· <a href="http://news.cnblogs.com/n/131222/" target="_blank">Pinterest如何改变传统Web设计风格？</a><span style="color:gray">(2012-02-15 13:32)</span><br/>· <a href="http://news.cnblogs.com/n/131221/" target="_blank">MIT颁发证书的在线课程开放注册</a><span style="color:gray">(2012-02-15 13:18)</span><br/>· <a href="http://news.cnblogs.com/n/131220/" target="_blank">渣打中国率先推出支付宝快捷支付服务</a><span style="color:gray">(2012-02-15 13:15)</span><br/></p><p>网站导航：<a href="http://www.cnblogs.com" target="_blank">博客园首页</a>&nbsp;&nbsp;<a href="http://home.cnblogs.com/" target="_blank">我的园子</a>&nbsp;&nbsp;<a href="http://news.cnblogs.com" target="_blank">新闻</a>&nbsp;&nbsp;<a href="http://home.cnblogs.com/ing/" target="_blank">闪存</a>&nbsp;&nbsp;<a href="http://q.cnblogs.com/" target="_blank">博问</a>&nbsp;&nbsp;<a href="http://kb.cnblogs.com" target="_blank">知识库</a></p>]]></description></item><item><title>如何删除 SQL Server 表中的重复行</title><link>http://www.cnblogs.com/hill/archive/2006/10/12/527250.html</link><dc:creator>hill</dc:creator><author>hill</author><pubDate>Thu, 12 Oct 2006 05:26:00 GMT</pubDate><guid>http://www.cnblogs.com/hill/archive/2006/10/12/527250.html</guid><description><![CDATA[<p>Microsoft SQL Server 表不应该包含重复行和非唯一主键。为简洁起见，在本文中我们有时称主键为“键”或“PK”，但这始终表示“主键”。重复的 PK 违反了实体完整性，在关系系统中是不允许的。SQL Server 有各种强制执行实体完整性的机制，包括索引、唯一约束、主键约束和触发器。<img src="http://www.cnblogs.com/hill/aggbug/527250.html?type=1" width="1" height="1" alt=""/><p>作者: <a href="http://www.cnblogs.com/hill/" target="_blank">hill</a> 发表于 2006-10-12 13:26 <a href="http://www.cnblogs.com/hill/archive/2006/10/12/527250.html" target="_blank">原文链接</a></p><p>评论: 0　<a href="http://www.cnblogs.com/hill/archive/2006/10/12/527250.html#pagedcomment" target="_blank">查看评论</a>　<a href="http://www.cnblogs.com/hill/archive/2006/10/12/527250.html#commentform" 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target="_blank">闪存</a>&nbsp;&nbsp;<a href="http://q.cnblogs.com/" target="_blank">博问</a>&nbsp;&nbsp;<a href="http://kb.cnblogs.com" target="_blank">知识库</a></p>]]></description></item><item><title>UNION和UNION ALL的区别</title><link>http://www.cnblogs.com/hill/archive/2006/10/12/527235.html</link><dc:creator>hill</dc:creator><author>hill</author><pubDate>Thu, 12 Oct 2006 05:19:00 GMT</pubDate><guid>http://www.cnblogs.com/hill/archive/2006/10/12/527235.html</guid><description><![CDATA[<p><img src="http://www.cnblogs.com/hill/aggbug/527235.html?type=1" width="1" height="1" alt=""/><p>作者: <a href="http://www.cnblogs.com/hill/" target="_blank">hill</a> 发表于 2006-10-12 13:19 <a href="http://www.cnblogs.com/hill/archive/2006/10/12/527235.html" target="_blank">原文链接</a></p><p>评论: 0　<a href="http://www.cnblogs.com/hill/archive/2006/10/12/527235.html#pagedcomment" target="_blank">查看评论</a>　<a href="http://www.cnblogs.com/hill/archive/2006/10/12/527235.html#commentform" target="_blank">发表评论</a></p><hr/><p>最新新闻：<br/>· <a href="http://news.cnblogs.com/n/131224/" target="_blank">软件开发人员的“七重苦”</a><span style="color:gray">(2012-02-15 13:42)</span><br/>· <a href="http://news.cnblogs.com/n/131223/" target="_blank">BitTorrentLive：电视终结者？</a><span style="color:gray">(2012-02-15 13:40)</span><br/>· <a href="http://news.cnblogs.com/n/131222/" target="_blank">Pinterest如何改变传统Web设计风格？</a><span style="color:gray">(2012-02-15 13:32)</span><br/>· <a href="http://news.cnblogs.com/n/131221/" target="_blank">MIT颁发证书的在线课程开放注册</a><span style="color:gray">(2012-02-15 13:18)</span><br/>· <a href="http://news.cnblogs.com/n/131220/" target="_blank">渣打中国率先推出支付宝快捷支付服务</a><span style="color:gray">(2012-02-15 13:15)</span><br/></p><p>网站导航：<a href="http://www.cnblogs.com" target="_blank">博客园首页</a>&nbsp;&nbsp;<a href="http://home.cnblogs.com/" target="_blank">我的园子</a>&nbsp;&nbsp;<a href="http://news.cnblogs.com" target="_blank">新闻</a>&nbsp;&nbsp;<a href="http://home.cnblogs.com/ing/" 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target="_blank">发表评论</a></p><hr/><p>最新新闻：<br/>· <a href="http://news.cnblogs.com/n/131224/" target="_blank">软件开发人员的“七重苦”</a><span style="color:gray">(2012-02-15 13:42)</span><br/>· <a href="http://news.cnblogs.com/n/131223/" target="_blank">BitTorrentLive：电视终结者？</a><span style="color:gray">(2012-02-15 13:40)</span><br/>· <a href="http://news.cnblogs.com/n/131222/" target="_blank">Pinterest如何改变传统Web设计风格？</a><span style="color:gray">(2012-02-15 13:32)</span><br/>· <a href="http://news.cnblogs.com/n/131221/" target="_blank">MIT颁发证书的在线课程开放注册</a><span style="color:gray">(2012-02-15 13:18)</span><br/>· <a href="http://news.cnblogs.com/n/131220/" target="_blank">渣打中国率先推出支付宝快捷支付服务</a><span style="color:gray">(2012-02-15 13:15)</span><br/></p><p>网站导航：<a href="http://www.cnblogs.com" target="_blank">博客园首页</a>&nbsp;&nbsp;<a href="http://home.cnblogs.com/" target="_blank">我的园子</a>&nbsp;&nbsp;<a href="http://news.cnblogs.com" target="_blank">新闻</a>&nbsp;&nbsp;<a href="http://home.cnblogs.com/ing/" 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