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	<title>Comments on: Oracle 11G OLTP Compress支持的含义</title>
	<atom:link href="http://www.anysql.net/dba/oracle_11g_oltp_compress.html/feed" rel="self" type="application/rss+xml" />
	<link>http://www.anysql.net/dba/oracle_11g_oltp_compress.html</link>
	<description>Oracle DBA,MySQL DBA, 数据恢复, 数据迁移, 报表软件, 性能优化, 系统监控</description>
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		<item>
		<title>By: anysql</title>
		<link>http://www.anysql.net/dba/oracle_11g_oltp_compress.html/comment-page-1#comment-1204</link>
		<dc:creator>anysql</dc:creator>
		<pubDate>Mon, 16 Mar 2009 15:50:52 +0000</pubDate>
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		<description>11g R2中听说会有列压缩的功能, 不知道这个是不是和Sybase IQ中的列存贮一样的原理。
</description>
		<content:encoded><![CDATA[<p>11g R2中听说会有列压缩的功能, 不知道这个是不是和Sybase IQ中的列存贮一样的原理。</p>
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	<item>
		<title>By: seanjing</title>
		<link>http://www.anysql.net/dba/oracle_11g_oltp_compress.html/comment-page-1#comment-1203</link>
		<dc:creator>seanjing</dc:creator>
		<pubDate>Mon, 16 Mar 2009 12:23:13 +0000</pubDate>
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		<description>11g compress 我用普通的sql测试了一下，好像没有被压缩
也可能跟数据有关。
具体什么操作能够触发compress？
ctas,append 这些我测试过在9i是可以被压缩的
有同事说parallel也能够被压缩，单是我这并没有测出来。
真是很郁闷
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		<content:encoded><![CDATA[<p>11g compress 我用普通的sql测试了一下，好像没有被压缩<br />
也可能跟数据有关。<br />
具体什么操作能够触发compress？<br />
ctas,append 这些我测试过在9i是可以被压缩的<br />
有同事说parallel也能够被压缩，单是我这并没有测出来。<br />
真是很郁闷</p>
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	<item>
		<title>By: edeed</title>
		<link>http://www.anysql.net/dba/oracle_11g_oltp_compress.html/comment-page-1#comment-1202</link>
		<dc:creator>edeed</dc:creator>
		<pubDate>Sun, 18 Nov 2007 16:41:38 +0000</pubDate>
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		<description>我下载了11g for win32，并顺利安装在了Vista上，解压后1.79G。
</description>
		<content:encoded><![CDATA[<p>我下载了11g for win32，并顺利安装在了Vista上，解压后1.79G。</p>
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	<item>
		<title>By: anysql</title>
		<link>http://www.anysql.net/dba/oracle_11g_oltp_compress.html/comment-page-1#comment-1201</link>
		<dc:creator>anysql</dc:creator>
		<pubDate>Fri, 16 Nov 2007 19:17:36 +0000</pubDate>
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		<description>Update:
For 11g Database Servers another option is to create the compressed table using the additional clause &quot;For all operations&quot;
CREATE TABLE LEE COMPRESS FOR ALL OPERATIONS AS SELECT * FROM ALL_OBJECTS WHERE 1=0;
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		<content:encoded><![CDATA[<p>Update:<br />
For 11g Database Servers another option is to create the compressed table using the additional clause &#8220;For all operations&#8221;<br />
CREATE TABLE LEE COMPRESS FOR ALL OPERATIONS AS SELECT * FROM ALL_OBJECTS WHERE 1=0;</p>
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