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	<title>Oracle数据库管理 &#8211; dbtan 谈DB</title>
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	<link>https://dbtan.com</link>
	<description>dbtan 的生活、Oracle 及 Linux 等的学习笔记、观点。      说，永远易于做！</description>
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		<title>如何恢复 SET UNUSED 的 COLUMN</title>
		<link>https://dbtan.com/2016/12/how-to-recover-unused-column.html</link>
					<comments>https://dbtan.com/2016/12/how-to-recover-unused-column.html#respond</comments>
		
		<dc:creator><![CDATA[dbtan]]></dc:creator>
		<pubDate>Mon, 19 Dec 2016 10:11:41 +0000</pubDate>
				<category><![CDATA[Oracle]]></category>
		<category><![CDATA[Oracle数据库管理]]></category>
		<category><![CDATA[Marking Columns Unused]]></category>
		<guid isPermaLink="false">http://www.dbtan.com/?p=317</guid>

					<description><![CDATA[通过上篇文章，我们已经基本了解 标记列为未使用 (Marking Columns Unused) 了。 我们知 [&#8230;]]]></description>
										<content:encoded><![CDATA[<p>通过上篇文章，我们已经基本了解 标记列为未使用 (Marking Columns Unused) 了。</p>
<p>我们知道，在 SET UNUSED 后 其实数据并未真的被删除，若这时又想恢复该列，有办法吗？</p>
<p>接下来，我们来实验一下。</p>
<p>如何修复被标记为 UNUSED 的字段</p>
<p>0. 实验环境 ORA[......]</p>
<p class="read-more"><a href="https://dbtan.com/2016/12/how-to-recover-unused-column.html">阅读全文</a></p>
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			</item>
		<item>
		<title>标记列为未使用 (Marking Columns Unused)</title>
		<link>https://dbtan.com/2016/12/marking-columns-unused.html</link>
					<comments>https://dbtan.com/2016/12/marking-columns-unused.html#respond</comments>
		
		<dc:creator><![CDATA[dbtan]]></dc:creator>
		<pubDate>Fri, 16 Dec 2016 07:56:25 +0000</pubDate>
				<category><![CDATA[Oracle]]></category>
		<category><![CDATA[Oracle数据库管理]]></category>
		<category><![CDATA[Making Columns Unused]]></category>
		<category><![CDATA[unused]]></category>
		<guid isPermaLink="false">http://www.dbtan.com/?p=310</guid>

					<description><![CDATA[Marking Columns Unused 基本操作步骤 1. 标记列为未使用 ALTER TABLE &#038;l [&#8230;]]]></description>
										<content:encoded><![CDATA[<p>Marking Columns Unused 基本操作步骤</p>
<p>1. 标记列为未使用</p>
<p>ALTER TABLE &lt;table_name&gt; SET UNUSED (&lt;column_name&gt;);</p>
<p>2. 然后在数据库空闲时，再删除列</p>
<p>ALTER TABLE &lt;table[......]</p>
<p class="read-more"><a href="https://dbtan.com/2016/12/marking-columns-unused.html">阅读全文</a></p>
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			</item>
		<item>
		<title>How To Automate Cleanup Of Dead Connections And INACTIVE Sessions [ID 206007.1]</title>
		<link>https://dbtan.com/2010/09/dead-connections-_or_inactive-sessions.html</link>
					<comments>https://dbtan.com/2010/09/dead-connections-_or_inactive-sessions.html#comments</comments>
		
		<dc:creator><![CDATA[dbtan]]></dc:creator>
		<pubDate>Wed, 15 Sep 2010 04:04:00 +0000</pubDate>
				<category><![CDATA[Oracle]]></category>
		<category><![CDATA[Oracle数据库管理]]></category>
		<category><![CDATA[Trouble Shooting]]></category>
		<guid isPermaLink="false">http://www.dbtan.com/2010/09/dead-connections-_or_inactive-sessions.html</guid>

					<description><![CDATA[How To Automate Cleanup Of Dead Connections And INACTIV [&#8230;]]]></description>
										<content:encoded><![CDATA[<p>How To Automate Cleanup Of Dead Connections And INACTIVE Sessions [ID 206007.1]   Modified 25-JUN-2009&nbsp;&nbsp;&nbsp;&nbsp; Type HOWTO&nbsp;&nbsp;&#038;[......]</p>
<p class="read-more"><a href="https://dbtan.com/2010/09/dead-connections-_or_inactive-sessions.html">阅读全文</a></p>
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			<slash:comments>2</slash:comments>
		
		
			</item>
		<item>
		<title>使用sqlloader导入数据</title>
		<link>https://dbtan.com/2009/09/sqlloader.html</link>
					<comments>https://dbtan.com/2009/09/sqlloader.html#comments</comments>
		
		<dc:creator><![CDATA[dbtan]]></dc:creator>
		<pubDate>Sat, 26 Sep 2009 10:08:00 +0000</pubDate>
				<category><![CDATA[Oracle数据库管理]]></category>
		<category><![CDATA[Oracle]]></category>
		<category><![CDATA[sqlloader]]></category>
		<guid isPermaLink="false">http://dbtan.com/2009/09/sqlloader.html</guid>

					<description><![CDATA[今天为开发数据库导入数据，使用sqlloader。记录一下遇到的问题及笔记。 1、表结构如下： oss@WIN [&#8230;]]]></description>
										<content:encoded><![CDATA[<p>今天为开发数据库导入数据，使用sqlloader。记录一下遇到的问题及笔记。  1、表结构如下：<br />
oss@WINKSDB> desc member_actions;<br />
 Name              Null?    Type<br />
 ----------------- -------- ---[......]</p>
<p class="read-more"><a href="https://dbtan.com/2009/09/sqlloader.html">阅读全文</a></p>
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			<slash:comments>6</slash:comments>
		
		
			</item>
		<item>
		<title>nologging在Oracle11gR1中的实现</title>
		<link>https://dbtan.com/2009/09/oracle11gr1-nologging.html</link>
					<comments>https://dbtan.com/2009/09/oracle11gr1-nologging.html#respond</comments>
		
		<dc:creator><![CDATA[dbtan]]></dc:creator>
		<pubDate>Mon, 14 Sep 2009 07:07:00 +0000</pubDate>
				<category><![CDATA[Oracle]]></category>
		<category><![CDATA[Oracle数据库管理]]></category>
		<category><![CDATA[nologging]]></category>
		<guid isPermaLink="false">http://dbtan.com/2009/09/oracle11gr1-nologging.html</guid>

					<description><![CDATA[注：我的实验环境是RHEL5.3(64bit) + Oracle11gR1(11.1.0.6)(64bit)  [&#8230;]]]></description>
										<content:encoded><![CDATA[<p>注：我的实验环境是RHEL5.3(64bit) + Oracle11gR1(11.1.0.6)(64bit)<br />
[root@test7: ~]#uname -a<br />
Linux test7 2.6.18-128.el5 #1 SMP Wed Dec 17 11:41:38 EST 2008 x86_64[......]</p>
<p class="read-more"><a href="https://dbtan.com/2009/09/oracle11gr1-nologging.html">阅读全文</a></p>
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