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	<title>Down Home Country Coding With Scott Selikoff and Jeanne Boyarsky &#187; JDBC</title>
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	<description>Java/J2EE Software Development and Technology Discussion Blog</description>
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		<title>postgresql and jdbc</title>
		<link>http://www.selikoff.net/2010/06/13/postgresql-and-jdbc/</link>
		<comments>http://www.selikoff.net/2010/06/13/postgresql-and-jdbc/#comments</comments>
		<pubDate>Mon, 14 Jun 2010 01:30:59 +0000</pubDate>
		<dc:creator>Jeanne Boyarsky</dc:creator>
				<category><![CDATA[Database]]></category>
		<category><![CDATA[JDBC]]></category>
		<category><![CDATA[JavaRanch Forum Migration]]></category>
		<category><![CDATA[postgresql]]></category>

		<guid isPermaLink="false">http://www.selikoff.net/?p=1988</guid>
		<description><![CDATA[In postgresql &#8211; selecting maximum for each group, we saw the actual stored function.  That was the easy part.  Then there was dealing with Postgresql and JDBC.  I encountered a few surprises while doing this. Calling the stored function I expected to use JDBC&#8217;s CallableStatement since I was calling a stored procedure.  Nope.  The proper [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>clone a postgresql database for testing cleanly</title>
		<link>http://www.selikoff.net/2010/03/28/clone-a-postgresql-database-for-testing-cleanly/</link>
		<comments>http://www.selikoff.net/2010/03/28/clone-a-postgresql-database-for-testing-cleanly/#comments</comments>
		<pubDate>Mon, 29 Mar 2010 03:03:35 +0000</pubDate>
		<dc:creator>Jeanne Boyarsky</dc:creator>
				<category><![CDATA[JDBC]]></category>
		<category><![CDATA[JavaRanch Forum Migration]]></category>
		<category><![CDATA[Database]]></category>
		<category><![CDATA[jforum]]></category>
		<category><![CDATA[postgresql]]></category>

		<guid isPermaLink="false">http://www.selikoff.net/?p=1812</guid>
		<description><![CDATA[I&#8217;m looking at writing integration tests for the back end of JavaRanch&#8216;s JForum install. A few &#8220;pesky&#8221; requirements/constraints Multiple developers all over the word have their own local test databases filled with data in different states.  The tests must work for everyone.  Ideally they won&#8217;t leave data floating around either. The tests must use PostgreSQL.  [...]]]></description>
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		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Live from JaveOne:  JDBC Spec Enhancements</title>
		<link>http://www.selikoff.net/2009/06/03/live-from-javeone-jdbc-spec-enhancements/</link>
		<comments>http://www.selikoff.net/2009/06/03/live-from-javeone-jdbc-spec-enhancements/#comments</comments>
		<pubDate>Wed, 03 Jun 2009 04:23:58 +0000</pubDate>
		<dc:creator>Scott Selikoff</dc:creator>
				<category><![CDATA[JDBC]]></category>
		<category><![CDATA[J2EE]]></category>
		<category><![CDATA[Java/J2EE]]></category>
		<category><![CDATA[specification]]></category>

		<guid isPermaLink="false">http://www.selikoff.net/blog/?p=1018</guid>
		<description><![CDATA[Live from the JavaOne conference again, this time attending a session about enhancements to the JDBC specification 4.1. Four members of the JDBC specification team have presented a number of useful enhancements due in the upcoming version of JDBC. Some of these features may not make it into 4.1, but will be in future versions [...]]]></description>
		<wfw:commentRss>http://www.selikoff.net/2009/06/03/live-from-javeone-jdbc-spec-enhancements/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>The Joy of Null:  Continued</title>
		<link>http://www.selikoff.net/2009/04/16/the-joy-of-null-continued/</link>
		<comments>http://www.selikoff.net/2009/04/16/the-joy-of-null-continued/#comments</comments>
		<pubDate>Thu, 16 Apr 2009 18:10:05 +0000</pubDate>
		<dc:creator>Scott Selikoff</dc:creator>
				<category><![CDATA[Database]]></category>
		<category><![CDATA[Java/J2EE]]></category>
		<category><![CDATA[JDBC]]></category>

		<guid isPermaLink="false">http://www.selikoff.net/blog/?p=875</guid>
		<description><![CDATA[In Part 1 of The Joy of Null I discussed a variety of ways null-equivalent values make it into the software design. Often times, developer laziness or immutability of the database tier drives many developers to insert values that simulate null values, rather than using a database null itself. In this second half, I&#8217;ll talk [...]]]></description>
		<wfw:commentRss>http://www.selikoff.net/2009/04/16/the-joy-of-null-continued/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>The Joy of Null</title>
		<link>http://www.selikoff.net/2009/04/07/the-joy-of-null/</link>
		<comments>http://www.selikoff.net/2009/04/07/the-joy-of-null/#comments</comments>
		<pubDate>Tue, 07 Apr 2009 16:56:46 +0000</pubDate>
		<dc:creator>Scott Selikoff</dc:creator>
				<category><![CDATA[Database]]></category>
		<category><![CDATA[Java/J2EE]]></category>
		<category><![CDATA[JDBC]]></category>

		<guid isPermaLink="false">http://www.selikoff.net/blog/?p=852</guid>
		<description><![CDATA[Often in the database world, you do not have all the information needed to create a record. For example, you may have a person&#8217;s full name but not their middle name or initial, or you might be missing their date of birth. In such cases, the recommended solution is to fill that field with a [...]]]></description>
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		<slash:comments>8</slash:comments>
		</item>
		<item>
		<title>Why JDBC + JSP = Bad</title>
		<link>http://www.selikoff.net/2009/02/24/why-jdbc-jsp-bad/</link>
		<comments>http://www.selikoff.net/2009/02/24/why-jdbc-jsp-bad/#comments</comments>
		<pubDate>Tue, 24 Feb 2009 17:43:21 +0000</pubDate>
		<dc:creator>Scott Selikoff</dc:creator>
				<category><![CDATA[Accessibility]]></category>
		<category><![CDATA[JDBC]]></category>
		<category><![CDATA[Java/J2EE]]></category>
		<category><![CDATA[JavaRanch Forum Migration]]></category>
		<category><![CDATA[Web]]></category>
		<category><![CDATA[Database]]></category>
		<category><![CDATA[JSP]]></category>

		<guid isPermaLink="false">http://www.selikoff.net/blog/?p=788</guid>
		<description><![CDATA[Over years of moderating at The JavaRanch, I&#8217;ve seen one type of question spring up on a weekly basis: that asked by people who need help with JDBC code inside of Java Server Pages (JSPs). As much as we may want to help this individual fix their particular problem, the overriding thought of &#8220;STOP WHAT [...]]]></description>
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		<slash:comments>9</slash:comments>
		</item>
		<item>
		<title>postgresql explain</title>
		<link>http://www.selikoff.net/2008/12/13/postgresql-explain/</link>
		<comments>http://www.selikoff.net/2008/12/13/postgresql-explain/#comments</comments>
		<pubDate>Sat, 13 Dec 2008 21:02:00 +0000</pubDate>
		<dc:creator>Jeanne Boyarsky</dc:creator>
				<category><![CDATA[JDBC]]></category>
		<category><![CDATA[Database]]></category>
		<category><![CDATA[postgresql]]></category>

		<guid isPermaLink="false">http://www.selikoff.net/blog/?p=682</guid>
		<description><![CDATA[I had an opportunity to do some tuning on postgresql and was pleasantly surprised at how smoothly it went. The first thing I did was try to run an &#8220;explain&#8221; on the query under discussion.  (Explain is a tabular or graphical view of the detailed steps the database uses to execute your query.  By knowing [...]]]></description>
		<wfw:commentRss>http://www.selikoff.net/2008/12/13/postgresql-explain/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Memo: Avoid Nested Queries in MySQL at all costs</title>
		<link>http://www.selikoff.net/2008/12/10/memo-avoid-nested-queries-in-mysql-at-all-costs/</link>
		<comments>http://www.selikoff.net/2008/12/10/memo-avoid-nested-queries-in-mysql-at-all-costs/#comments</comments>
		<pubDate>Wed, 10 Dec 2008 15:20:52 +0000</pubDate>
		<dc:creator>Scott Selikoff</dc:creator>
				<category><![CDATA[Database]]></category>
		<category><![CDATA[JDBC]]></category>
		<category><![CDATA[mysql]]></category>
		<category><![CDATA[nested]]></category>
		<category><![CDATA[queries]]></category>

		<guid isPermaLink="false">http://www.selikoff.net/blog/?p=652</guid>
		<description><![CDATA[Some of my readers may be aware that nested subqueries such as &#8220;SELECT * FROM widgets WHERE id IN (SELECT &#8230;)&#8221;, don&#8217;t work all that well in MYSQL. While the syntax is usually correct, the performance issues in practice can be horrendous. This article delves deeper into this issue, and why MySQL performs so poorly [...]]]></description>
		<wfw:commentRss>http://www.selikoff.net/2008/12/10/memo-avoid-nested-queries-in-mysql-at-all-costs/feed/</wfw:commentRss>
		<slash:comments>5</slash:comments>
		</item>
		<item>
		<title>5 Tips to be a Good JDBC Programmer</title>
		<link>http://www.selikoff.net/2008/09/29/5-tips-to-be-a-good-jdbc-programmer/</link>
		<comments>http://www.selikoff.net/2008/09/29/5-tips-to-be-a-good-jdbc-programmer/#comments</comments>
		<pubDate>Mon, 29 Sep 2008 17:32:02 +0000</pubDate>
		<dc:creator>Scott Selikoff</dc:creator>
				<category><![CDATA[Database]]></category>
		<category><![CDATA[JDBC]]></category>
		<category><![CDATA[Java/J2EE]]></category>
		<category><![CDATA[good]]></category>
		<category><![CDATA[programmer]]></category>

		<guid isPermaLink="false">http://www.selikoff.net/blog/?p=482</guid>
		<description><![CDATA[Have you written Java code for your database connections in JDBC that ends up being thrown away? Would using a new database software easily kill your product and set you back months at a time to port? Well, if so, keep reading as the goal of this article is to make you a better JDBC [...]]]></description>
		<wfw:commentRss>http://www.selikoff.net/2008/09/29/5-tips-to-be-a-good-jdbc-programmer/feed/</wfw:commentRss>
		<slash:comments>10</slash:comments>
		</item>
		<item>
		<title>Database Key Generation in Java Applications</title>
		<link>http://www.selikoff.net/2008/09/03/database-key-generation-in-java-applications/</link>
		<comments>http://www.selikoff.net/2008/09/03/database-key-generation-in-java-applications/#comments</comments>
		<pubDate>Wed, 03 Sep 2008 06:11:16 +0000</pubDate>
		<dc:creator>Scott Selikoff</dc:creator>
				<category><![CDATA[JDBC]]></category>
		<category><![CDATA[Java/J2EE]]></category>
		<category><![CDATA[auto-generate]]></category>
		<category><![CDATA[Database]]></category>
		<category><![CDATA[generation]]></category>
		<category><![CDATA[getGeneratedKeys]]></category>
		<category><![CDATA[key]]></category>

		<guid isPermaLink="false">http://www.selikoff.net/blog/?p=380</guid>
		<description><![CDATA[All JDBC programmers at one time or another have had to deal with key generation for new records, or more precisely, how to retrieve keys for newly created records. This article discusses some of the techniques and limitations offered to Java JDBC programmers. Unique Keys Most (good) database systems assign a unique key, usually a [...]]]></description>
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		<slash:comments>3</slash:comments>
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