ke 发表于 2006-7-28 09:15:42

IBM“毒蛇”触动,将引发新一轮信息革命

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">今天收到《</SPAN><SPAN lang=EN-US><FONT face="">IT</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">时代周刊》寄过来的杂志,封面就</SPAN><SPAN lang=EN-US><FONT face="">catch my eyes</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">。标题醒目地写着《</SPAN><SPAN lang=EN-US><FONT face="">IBM</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">“毒蛇”触动,将引发新一轮信息革命》。原文有一句话“人类目前所能处理的数据大概只占自然世界德</SPAN><SPAN lang=EN-US><FONT face="">20</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">%,“毒蛇”的诞生将使人们处理的数据达到</SPAN><SPAN lang=EN-US><FONT face="">80</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">%。”这是一个伟大的进步。</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">以下是我对该文内容的一个摘要。</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">“信息一直造福和服务人类,但在大容量、多向量处理工具不能同步而生的情况下,人们又往往在面对知识库时不得其门而入,大量有用数据被埋藏在信息还有伸出,人类面临越来越艰巨的信息管理挑战。”</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">数据库的发展,从</SPAN><FONT face=""><?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="1960" UnitName="’"><SPAN lang=EN-US>1960’</SPAN></st1:chmetcnv><SPAN lang=EN-US>s</SPAN></FONT><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">的层次型数据库,到</SPAN><SPAN lang=EN-US><FONT face="">1970</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">埃德</SPAN><SPAN style="FONT-FAMILY: 宋体">加·</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">考特提出关系型数据库概念。</SPAN><st1:chsdate w:st="on" IsROCDate="False" IsLunarDate="False" Day="14" Month="7" Year="2006"><SPAN lang=EN-US><FONT face="">2006</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">年</SPAN><SPAN lang=EN-US><FONT face="">7</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">月</SPAN><SPAN lang=EN-US><FONT face="">14</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">日</SPAN></st1:chsdate><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">,</SPAN><SPAN lang=EN-US><FONT face="">IBM DB2UDB9</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">(代号</SPAN><SPAN lang=EN-US><FONT face="">Viper</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">,中文译名“毒蛇”)发布,数据库发展</SPAN><SPAN lang=EN-US><FONT face="">40</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">年历史的第三次纪元的序幕从此拉开。</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">第</SPAN><SPAN lang=EN-US><FONT face="">2</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">代“关系型数据库系统虽然技术成熟,但局限性也显而易见――它能很好地处理“表格型数据”,却对越来越多复杂类型的数据无能为力”。“现实世界尤其是在互联网中,</SPAN><SPAN lang=EN-US><FONT face="">90</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">%以上的信息并不存贮在关系数据库中。”</SPAN><SPAN lang=EN-US><FONT face=""> </FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">为了实现在不同系统和应用程序之间交换数据,大量的企业开始建立“面向服务架构”(</SPAN><SPAN lang=EN-US><FONT face="">SOA</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">)的开发理念。现在面临的一个难题就是,“企业在面对复杂系统时往往一筹莫展,他们可能会遇到修改一个简单变动的工作量,就远超过改动程序的工作量。”</SPAN><SPAN lang=EN-US><FONT face="">SOA</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">要成为流行,就必须解决这个问题。</SPAN><SPAN lang=EN-US><FONT face="">XML</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">具有极大的灵活性,凭借其可扩展、平台无关和易于交换等特性获得各方面的一致认可,它恰到好处地为人力提供了统一数据描述地美好功能。</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">作为具有技术革命性的数据库,“毒蛇”首先创造了两种不同的存储机制,一种是传统地存储关系性数据存储机制,另一种用来存储</SPAN><SPAN lang=EN-US><FONT face="">XML</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">,它使用新技术来存储</SPAN><SPAN lang=EN-US><FONT face="">XML</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">数据的层次结构,并支持高效地搜索原始</SPAN><SPAN lang=EN-US><FONT face="">XML</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">数据的所有部分。</SPAN><SPAN lang=EN-US><FONT face="">Viper</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">在几个方面更加先进:(</SPAN><SPAN lang=EN-US><FONT face="">1</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">)“数据直接在</SPAN><SPAN lang=EN-US><FONT face="">XML</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">语言上生成,后台与后台之间无须再经过‘翻译’就可以直接对话”;(</SPAN><SPAN lang=EN-US><FONT face="">2</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">)显著的降低了存贮空间;(</SPAN><SPAN lang=EN-US><FONT face="">3</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">)在安全控制方面得到提升。</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt"><SPAN lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p><FONT face="">&nbsp;</FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">但我对本文有几点不满意:(</SPAN><SPAN lang=EN-US><FONT face="">1</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">)该文对数据库发展的三个阶段的特点没有比较详细地介绍,没有明确分析在数据库是如何发展的,在前两个阶段,它遇到了什么样的问题,新的技术相比有什么优点,接着又有哪些问题。(</SPAN><SPAN lang=EN-US><FONT face="">2</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">)对</SPAN><SPAN lang=EN-US><FONT face="">Viper</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">的特点做了介绍,但对</SPAN><SPAN lang=EN-US><FONT face="">XML</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">这个东西,我看了全文,还是不太懂,而这似乎和</SPAN><SPAN lang=EN-US><FONT face="">Viper</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">有着很密切的关系。(</SPAN><SPAN lang=EN-US><FONT face="">3</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">)这篇文章的给我以带有软文痕迹的感觉,虽然我很喜欢这篇文章。</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">谈几点我看完后的看法和提议:</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt"><SPAN lang=EN-US><FONT face="">1</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">、用特别的字体将文章中那些给人以启示或含有重要信息的话语标示出来。</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt"><SPAN lang=EN-US><FONT face="">2</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">、刊物记者的稿件,大多限于对某一个事件的描述,而对事件带来的影响没有太多分析和研究,为相关组织的下一步行动提供建议。而外部提供的专稿,在给相关组织提供了一些参考意见。我在比较了之后发现,记者稿件大多是对新近发生事件的挖掘,而外部提供专稿,大多是来自咨询公司,这也是上述状况的一个原因。希望记者的稿件中,能够有更多的议论评述性的东西。</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt"><SPAN lang=EN-US><FONT face="">3</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">、在</SPAN><SPAN lang=EN-US><FONT face="">P50</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">上,有两处</SPAN><SPAN lang=EN-US><FONT face="">bug</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">:(</SPAN><SPAN lang=EN-US><FONT face="">1</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">)第</SPAN><SPAN lang=EN-US><FONT face="">2</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">段第</SPAN><SPAN lang=EN-US><FONT face="">3</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">行,德仪写成了“德议”;(</SPAN><SPAN lang=EN-US><FONT face="">2</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">)“而德仪却在自身的保守中,被英特尔取而代之,成为新的霸主。”(我觉得这句话有语病)。</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.75pt"><SPAN lang=EN-US><FONT face="">4</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">、我比较喜欢的几篇文章:</SPAN><SPAN lang=EN-US><FONT face="">Cover Paper</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">《</SPAN><SPAN lang=EN-US><FONT face="">IBM</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">“毒蛇”触动,将引发新一轮信息革命》、《企业实施</SPAN><SPAN lang=EN-US><FONT face="">ERP</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">的</SPAN><SPAN lang=EN-US><FONT face="">6</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">个关键成功因素》、《项目目标不明确,</SPAN><SPAN lang=EN-US><FONT face="">ERP</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''; mso-hansi-font-family: ''">实施难成功之症结》。这与我个人关注的东西比较有关,带有较强主观色彩。</SPAN></P>

水地雷 发表于 2006-8-3 10:45:37

<p>学习!还是不太明白。</p>
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