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			    <title>exway的个人空间</title>
			    <link>http://space.itpub.net/12557315</link>
			    <description>提出问题比解决问题重要，知道做什么比知道如何做更重要</description>
			    <copyright>Copyright(C) exway的个人空间</copyright>
			    <generator>SupeSite/X-Space</generator>
			    <lastBuildDate>Fri, 05 Dec 2008 09:51:04 GMT</lastBuildDate><item>
								<title>深入浅出MySQL 数据库开发、优化与管理维护 勘误</title>
								<link>http://space.itpub.net/12557315/viewspace-374327</link>
								<description><![CDATA[
			
			昨天刚买了这本书，大体翻了下，对于初学者来说这本书应该很受用，不过书中有些明显的错误，总结在此，我发现社区的高手出书的越来越多了，有点意思，：D<br>1.P4 5.0.HTML#LINUX应该为download吧<br>2.P57 mediumint的无符号最大值应该为16777214<br>3.P59 这是...]]></description>
								<category>blog</category>
								<author>exway</author>
								<pubDate>Mon, 07 Jul 2008 14:26:25 GMT</pubDate>
							</item>
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								<title>再论oracle instance各个状态之间的轮回</title>
								<link>http://space.itpub.net/12557315/viewspace-260195</link>
								<description><![CDATA[<DIV>oracle的instance有4个基本状态即</DIV>
<DIV>idle&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&...]]></description>
								<category>blog</category>
								<author>exway</author>
								<pubDate>Mon, 05 May 2008 10:18:48 GMT</pubDate>
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								<title>再论ORACLE的全球化支持（GLOBALIZATION）之二(设置部分)</title>
								<link>http://space.itpub.net/12557315/viewspace-249120</link>
								<description><![CDATA[<DIV><STRONG>一、数据库级的参数设定</STRONG><BR>先查看nls_database_parameters视图<BR><FONT style="BACKGROUND-COLOR: #c7c7c7">SQL&gt; select * from nls_database_parameters;</FONT></DIV>
<DIV>PARAMETER&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs...]]></description>
								<category>blog</category>
								<author>exway</author>
								<pubDate>Wed, 23 Apr 2008 16:11:20 GMT</pubDate>
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								<title>再论ORACLE的全球化支持（GLOBALIZATION）之一(概要部分)</title>
								<link>http://space.itpub.net/12557315/viewspace-249089</link>
								<description><![CDATA[<DIV>为了更好的支持软件的本地化，oracle自9i起推出了全球化解决方案，早先版本称之为national language support，即NLS，你可以注意到在oracle中有一些以此缩写开头的视图和参数,全球化解决方案更好的解决不同语言、地域的文化差异性的问题。</DIV>
<DIV><STRONG>一、先...]]></description>
								<category>blog</category>
								<author>exway</author>
								<pubDate>Wed, 23 Apr 2008 14:04:24 GMT</pubDate>
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								<title>windows平台从零开始手工创建oracle数据库</title>
								<link>http://space.itpub.net/12557315/viewspace-237985</link>
								<description><![CDATA[<DIV>&nbsp;</DIV>
<DIV>显然通过手工创建数据库的方式可以更多的暴露oracle操作细节，更好的理解oracle运行的机制。本次测试的平台是win2003企业版，oracle92。</DIV>
<DIV><STRONG>一、安装oracle软件</STRONG><BR>只安装数据库软件，不要创建默认数据库，安装完成后o...]]></description>
								<category>blog</category>
								<author>exway</author>
								<pubDate>Wed, 16 Apr 2008 14:00:54 GMT</pubDate>
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								<title>运用sql_trace 和 $tkprof 对业务系统bug进行诊断的一则应用</title>
								<link>http://space.itpub.net/12557315/viewspace-232362</link>
								<description><![CDATA[<DIV>&nbsp;</DIV>
<DIV>接到业务部门反映，数据查询的结果总数远高于实际数。</DIV>
<DIV>随即在测试系统进行诊断。</DIV>
<DIV>&nbsp;</DIV>
<DIV>启用sql_trace</DIV>
<DIV>在测试系统查询数据。</DIV>
<DIV>运行生成trc文件</DIV>
<DIV>翻译trc文件</DIV>
<DI...]]></description>
								<category>blog</category>
								<author>exway</author>
								<pubDate>Thu, 10 Apr 2008 14:26:32 GMT</pubDate>
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								<title>关于SQLSERVER2005 的实例、服务和数据库</title>
								<link>http://space.itpub.net/12557315/viewspace-101729</link>
								<description><![CDATA[<DIV>oracle关于实例的定义，指的是数据库在内存中的运行，包含一些后台进程和数据结构，一个实例只能对应于一个数据库（RAC除外），对于sqlserver来说实例则对应的是一组服务，其本质上也是包含一些后台的线程和数据结构，但是一个实例可以对应于若干数据库，包括系统数据...]]></description>
								<category>blog</category>
								<author>exway</author>
								<pubDate>Fri, 04 Jan 2008 16:36:34 GMT</pubDate>
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								<title>SQL Server 2005的30个最重要特点</title>
								<link>http://space.itpub.net/12557315/viewspace-85566</link>
								<description><![CDATA[<A name=E4></A>
<H2><FONT size=1>from m$</FONT></H2>
<H2>数据库管理10个最重要的特点</H2>
<TABLE class=dataTable id=E6 cellSpacing=0 cellPadding=0>
<THEAD>
<TR class=stdHeader vAlign=top>
<TD id=colEBB width=300>特点</TD>
<TD id=colEFB style="BOR...]]></description>
								<category>blog</category>
								<author>exway</author>
								<pubDate>Thu, 03 Jan 2008 14:39:20 GMT</pubDate>
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								<title>RAID10工作原理图解及特点分析</title>
								<link>http://space.itpub.net/12557315/viewspace-63492</link>
								<description><![CDATA[<P><STRONG>RAID 10: Very High Reliability combined with High Performance</STRONG></P>
<P><STRONG>Characteristics/Advantages</STRONG></P>
<P>1. RAID 10 is implemented as a striped array whose segments are RAID 1 arrays</P>
<P>2. RAID 10 has the same ...]]></description>
								<category>blog</category>
								<author>exway</author>
								<pubDate>Sun, 30 Dec 2007 15:53:43 GMT</pubDate>
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								<title>RAID7工作原理图解及特点分析</title>
								<link>http://space.itpub.net/12557315/viewspace-63491</link>
								<description><![CDATA[<P><STRONG>RAID 7: Optimized Asynchrony for High I/O Rates as well as High Data Transfer Rates</STRONG><STRONG><IMG height=30 src="http://www.sansky.net/wp-content/2007/06/windowslivewriterraid7-9cbeclip-image002.gif" width=1></STRONG></P>
<P><STRONG>...]]></description>
								<category>blog</category>
								<author>exway</author>
								<pubDate>Sun, 30 Dec 2007 15:52:09 GMT</pubDate>
							</item>
							<item>
								<title>RAID6工作原理图解及特点分析</title>
								<link>http://space.itpub.net/12557315/viewspace-63490</link>
								<description><![CDATA[<P><STRONG>RAID 6: Independent Data disks with two independent distributed parity schemes</STRONG></P>
<P><STRONG>Characteristics/Advantages</STRONG></P>
<P>1. RAID 6 is essentially an extension of RAID level 5 which allows for additional fault toler...]]></description>
								<category>blog</category>
								<author>exway</author>
								<pubDate>Sun, 30 Dec 2007 15:50:55 GMT</pubDate>
							</item>
							<item>
								<title>RAID5工作原理图解及特点分析</title>
								<link>http://space.itpub.net/12557315/viewspace-63489</link>
								<description><![CDATA[<P><STRONG>RAID 5: Independent Data disks with distributed parity blocks</STRONG><STRONG><IMG height=30 src="http://www.sansky.net/wp-content/2007/06/windowslivewriterraid5-9c8bclip-image002.gif" width=1></STRONG></P>
<P><STRONG>Characteristics/Advant...]]></description>
								<category>blog</category>
								<author>exway</author>
								<pubDate>Sun, 30 Dec 2007 15:49:27 GMT</pubDate>
							</item>
							<item>
								<title>RAID4工作原理图解及特点分析</title>
								<link>http://space.itpub.net/12557315/viewspace-63488</link>
								<description><![CDATA[<P><STRONG>RAID 4: Independent Data disks with shared Parity disk</STRONG></P>
<P><STRONG>Characteristics/Advantages</STRONG></P>
<P>1. Very high Read data transaction rate</P>
<P>2. Low ratio of ECC (Parity) disks to data disks means high efficienc...]]></description>
								<category>blog</category>
								<author>exway</author>
								<pubDate>Sun, 30 Dec 2007 15:47:53 GMT</pubDate>
							</item>
							<item>
								<title>RAID3工作原理图解及特点分析</title>
								<link>http://space.itpub.net/12557315/viewspace-63487</link>
								<description><![CDATA[<P><STRONG>RAID 3: Parallel transfer with parity</STRONG></P>
<P><STRONG>Characteristics/Advantages</STRONG></P>
<P>1. Very high Read data transfer rate</P>
<P>2. Very high Write data transfer rate</P>
<P>3. Disk failure has an insignificant impact...]]></description>
								<category>blog</category>
								<author>exway</author>
								<pubDate>Sun, 30 Dec 2007 15:45:55 GMT</pubDate>
							</item>
							<item>
								<title>RAID2工作原理图解及特点分析</title>
								<link>http://space.itpub.net/12557315/viewspace-63486</link>
								<description><![CDATA[<P><STRONG>RAID 2: Hamming Code ECC</STRONG></P>
<P><STRONG>Characteristics/Advantages</STRONG></P>
<P>1. “On the fly” data error correction</P>
<P>2. Extremely high data transfer rates possible</P>
<P>3. The higher the data transfer rate require...]]></description>
								<category>blog</category>
								<author>exway</author>
								<pubDate>Sun, 30 Dec 2007 15:43:15 GMT</pubDate>
							</item>
							<item>
								<title>RAID1工作原理图解及特点分析</title>
								<link>http://space.itpub.net/12557315/viewspace-63485</link>
								<description><![CDATA[<DIV><FONT size=+0><STRONG>RAID1</STRONG></FONT><STRONG>: Mirroring and Duplexing</STRONG></DIV>
<DIV>
<P><STRONG>Characteristics/Advantages</STRONG></P>
<P>1. One Write or two Reads possible per mirrored pair</P>
<P>2. Twice the Read transaction r...]]></description>
								<category>blog</category>
								<author>exway</author>
								<pubDate>Sun, 30 Dec 2007 15:39:02 GMT</pubDate>
							</item>
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								<title>RAID0工作原理图解及特点分析</title>
								<link>http://space.itpub.net/12557315/viewspace-63484</link>
								<description><![CDATA[<P><STRONG>RAID 0: Striped Disk Array without Fault Tolerance</STRONG></P>
<P><STRONG>Characteristics/Advantages</STRONG></P>
<P>1. RAID 0 implements a striped disk array, the data is broken down into blocks and each block is written to a separate di...]]></description>
								<category>blog</category>
								<author>exway</author>
								<pubDate>Sun, 30 Dec 2007 15:33:33 GMT</pubDate>
							</item>
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								<title>SQLSERVER分区</title>
								<link>http://space.itpub.net/12557315/viewspace-60275</link>
								<description><![CDATA[<DIV>关于sqlserver2005的分区msdn上有个详细的讨论<BR><A href="http://msdn2.microsoft.com/zh-cn/library/ms345146.aspx">http://msdn2.microsoft.com/zh-cn/library/ms345146.aspx</A></DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>]]></description>
								<category>blog</category>
								<author>exway</author>
								<pubDate>Sat, 29 Dec 2007 14:52:53 GMT</pubDate>
							</item>
							<item>
								<title>oracle大事记</title>
								<link>http://space.itpub.net/12557315/viewspace-52955</link>
								<description><![CDATA[1977年6月,Larry Ellison,Bob Miner和Ed Oates,在硅谷创办了oralce的前身Software Development Laboratories，SDL<BR>1978年oracle version 1,用汇编语言编写,运行在rsx的pdp-11上,仅有128k内存.实现分离了用户代码和oracle代码,这个版本从来没有被官方发布过<BR>1979年夏...]]></description>
								<category>blog</category>
								<author>exway</author>
								<pubDate>Sat, 29 Dec 2007 14:40:18 GMT</pubDate>
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