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<?xml-stylesheet type="text/xsl" href="http://blogs.msdn.com/utility/FeedStylesheets/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/"><channel><title>Introduction to Joins</title><link>http://blogs.msdn.com/craigfr/archive/2006/07/19/671712.aspx</link><description>Joins are one of the most important operations performed by a relational database system. An RDBMS uses joins to match rows from one table with rows from another table. For example, we can use joins to match sales with customers or books with authors.</description><dc:language>en</dc:language><generator>CommunityServer 2.1 SP1 (Build: 61025.2)</generator><item><title>Joins Dissected on CraigFr's blog</title><link>http://blogs.msdn.com/craigfr/archive/2006/07/19/671712.aspx#702907</link><pubDate>Wed, 16 Aug 2006 22:29:33 GMT</pubDate><guid isPermaLink="false">91d46819-8472-40ad-a661-2c78acb4018c:702907</guid><dc:creator>Bart Duncan's SQL Weblog</dc:creator><description>CraigFr has a great series of posts in his blog describing the difference between the various logical...</description></item><item><title>Subqueries: ANDs and ORs</title><link>http://blogs.msdn.com/craigfr/archive/2006/07/19/671712.aspx#732410</link><pubDate>Thu, 31 Aug 2006 00:23:10 GMT</pubDate><guid isPermaLink="false">91d46819-8472-40ad-a661-2c78acb4018c:732410</guid><dc:creator>Craig Freedman's WebLog</dc:creator><description>In my “Introduction to Joins” post, I gave an example of how we can use a semi-join to evaluate an EXISTS...</description></item><item><title>
			The trouble with data&amp;#8230; - A journey through database heaven &amp;#038; hell (and other stuff)			 &amp;raquo; SQL Joins		</title><link>http://blogs.msdn.com/craigfr/archive/2006/07/19/671712.aspx#737857</link><pubDate>Sun, 03 Sep 2006 14:01:48 GMT</pubDate><guid isPermaLink="false">91d46819-8472-40ad-a661-2c78acb4018c:737857</guid><dc:creator>
			The trouble with data… - A journey through database heaven &amp; hell (and other stuff)			 » SQL Joins		</dc:creator><description>PingBack from &lt;a rel="nofollow" target="_new" href="http://wills-blog.com/?p=39"&gt;http://wills-blog.com/?p=39&lt;/a&gt;</description></item><item><title>Database Programming: Everything You Always Wanted To Know About JOIN Semantics, But Were Afraid To Ask</title><link>http://blogs.msdn.com/craigfr/archive/2006/07/19/671712.aspx#751283</link><pubDate>Wed, 13 Sep 2006 02:34:54 GMT</pubDate><guid isPermaLink="false">91d46819-8472-40ad-a661-2c78acb4018c:751283</guid><dc:creator>Ward Pond's SQL Server blog</dc:creator><description>Every once in awhile, I get an opportunity to look around for new and interesting things to read.&amp;amp;amp;nbsp;...</description></item><item><title>Join a SQL Server "joins type" - for Newbie</title><link>http://blogs.msdn.com/craigfr/archive/2006/07/19/671712.aspx#4277338</link><pubDate>Tue, 07 Aug 2007 17:37:57 GMT</pubDate><guid isPermaLink="false">91d46819-8472-40ad-a661-2c78acb4018c:4277338</guid><dc:creator>SQL Server Transact-SQL (SSQA.net)</dc:creator><description>&lt;p&gt;Since the beginning of learning SQL Server I'm pretty much confused with JOIN conditions that defines&lt;/p&gt;
</description></item><item><title>SQL in the Wild  &amp;raquo; Blog Archive   &amp;raquo; Execution plan operations - joins</title><link>http://blogs.msdn.com/craigfr/archive/2006/07/19/671712.aspx#6909326</link><pubDate>Sun, 30 Dec 2007 22:59:21 GMT</pubDate><guid isPermaLink="false">91d46819-8472-40ad-a661-2c78acb4018c:6909326</guid><dc:creator>SQL in the Wild  » Blog Archive   » Execution plan operations - joins</dc:creator><description>&lt;p&gt;PingBack from &lt;a rel="nofollow" target="_new" href="http://sqlinthewild.co.za/index.php/2007/12/30/execution-plan-operations-joins/"&gt;http://sqlinthewild.co.za/index.php/2007/12/30/execution-plan-operations-joins/&lt;/a&gt;&lt;/p&gt;
</description></item><item><title>Maintaining Unique Indexes with IGNORE_DUP_KEY</title><link>http://blogs.msdn.com/craigfr/archive/2006/07/19/671712.aspx#7334319</link><pubDate>Thu, 31 Jan 2008 00:18:02 GMT</pubDate><guid isPermaLink="false">91d46819-8472-40ad-a661-2c78acb4018c:7334319</guid><dc:creator>Craig Freedman's SQL Server Blog</dc:creator><description>&lt;p&gt;A few months ago, I wrote a post describing how SQL Server maintains unique indexes while avoiding false&lt;/p&gt;
</description></item><item><title>Maintaining Unique Indexes with IGNORE_DUP_KEY</title><link>http://blogs.msdn.com/craigfr/archive/2006/07/19/671712.aspx#7334838</link><pubDate>Thu, 31 Jan 2008 01:01:00 GMT</pubDate><guid isPermaLink="false">91d46819-8472-40ad-a661-2c78acb4018c:7334838</guid><dc:creator>Noticias externas</dc:creator><description>&lt;p&gt;A few months ago, I wrote a post describing how SQL Server maintains unique indexes while avoiding false&lt;/p&gt;
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