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	<title>好开发 &#187; Int</title>
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		<title>ORACLE数值类型的性能优化技巧number,Int,float</title>
		<link>http://www.icartype.com/?p=28</link>
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		<pubDate>Mon, 16 Mar 2015 09:33:22 +0000</pubDate>
		<dc:creator><![CDATA[lidasheng]]></dc:creator>
				<category><![CDATA[oracle性能优化]]></category>
		<category><![CDATA[float]]></category>
		<category><![CDATA[Int]]></category>
		<category><![CDATA[ORACLE数值类型的性能优化技巧number]]></category>

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		<description><![CDATA[那什么是数值类型？

比如常见的有 <span class="Apple-style-span">number</span>,Int,float,最常用的是<span class="Apple-style-span">number</span><span class="Apple-style-span">类型</span>

性能是如何考虑的呢？

使用时有哪些技巧呢？

这些是我们重点考虑的知识点.我们说精度越低<span class="Apple-style-span">,</span><span class="Apple-style-span">存储的空间越小</span><span class="Apple-style-span">,</span><span class="Apple-style-span">性能越高</span>,其实空间节约对于性能的提高是非常有限的。 有时，我们还需要利用空间[......]<p class='read-more'><a href='http://www.icartype.com/?p=28'>Read more</a></p>]]></description>
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