﻿<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>语源科技BlogJava-hnyzchenl</title><link>http://www.blogjava.net/hnyzchenl/</link><description>关注站长和搜索引擎</description><language>zh-cn</language><lastBuildDate>Mon, 15 Jun 2026 20:02:30 GMT</lastBuildDate><pubDate>Mon, 15 Jun 2026 20:02:30 GMT</pubDate><ttl>60</ttl><item><title>浅谈为啥我们需要做SEO优化?</title><link>http://www.blogjava.net/hnyzchenl/articles/408968.html</link><dc:creator>穷爸爸</dc:creator><author>穷爸爸</author><pubDate>Wed, 15 Jan 2014 02:38:00 GMT</pubDate><guid>http://www.blogjava.net/hnyzchenl/articles/408968.html</guid><wfw:comment>http://www.blogjava.net/hnyzchenl/comments/408968.html</wfw:comment><comments>http://www.blogjava.net/hnyzchenl/articles/408968.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/hnyzchenl/comments/commentRss/408968.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/hnyzchenl/services/trackbacks/408968.html</trackback:ping><description><![CDATA[<div><div><blockquote><p>一提到SEO大家都有一个认识：&#8220;这些年SEO很火，而且很多人做，热门到衍生出了一个新的行业&#8221;，可你了解SEO为啥会火，为啥需要去做<a title="百度SEO优化" href="http://moguliang.com">百度SEO优化</a>吗？今天点滴<a title="SEO博客" href="http://moguliang.com" target="_blank">SEO博客</a>给各位新手站长们简单分析下产生这一系列现象的原因，希望能帮助新手站长们对SEO优化有一个新的认识。</p></blockquote> <p><strong>1、<strong>信息</strong>获取渠道的变化</strong></p> <blockquote><p>随 着互联网的高速发展，电子商务的白热化，网购已成为年轻一代主流的消费方式，而他们获取信息的主要渠道是搜索引擎，已经  完全改变了通过广播，报纸、电视获取产品信息的格局，在这样强力用户行为的需求下，就导致了谁的网站最先进入用户视野，谁就能赢得更多的付费用户，由此看  来&#8220;如何将网站产品最先映入用户眼前&#8221;成为了所有盈利企业及个人的首要解决问题，而SEO恰恰就提供了一个完美的解决方案。</p></blockquote> <p><strong>2、搜索引擎技术的发展</strong></p> <blockquote><p>随 着搜索引擎技术的飞速发展，各大搜索引擎算法的不断更新，用户搜索体验得到提升，搜索获取的信息更为精准实用，更为有效  的解决了用户的实质搜索需求，加剧了用户信息渠道变化的步伐；排名算法的更新也让网站排名变得更为公平，网站如何获得排名也成为了所有站长亟需解决的问  题，为了获取更好的排名一些站长不断的对搜索进行研究，前人经验的积累和沉淀，为SEO技术的形成和发展提供了有力推动作用</p></blockquote> <p><strong>3、SEO自身的定位</strong></p> <blockquote><p>SEO 定位是通过利用搜索引擎的搜索规则来提高目标网站在有关搜索引擎内的排名的方式，为目标网站提供生态式的自我营销解  决方案，让目标网站在行业内占据领先地位，从而获得品牌收益。显然SEO定位恰恰解决了绝大部分站长亟需解决的排名优化问题，导致越来越多的人投身SEO  行列，为其行业化提供了有力的保证。</p></blockquote> <p><strong>&nbsp;4、企业的硬性需求</strong></p> <blockquote><p>大家都知道，企业是以盈利为目的的单位，而用户行为的改变，导致产品的售卖渠道发生了变化，为获得更多的付费用户，企业产品网站排名问题的解决需求也成为了一种硬性需求，从而催生出了一个新的职业 - SEOER</p></blockquote> <p><strong>总结：</strong></p> <p>&#8221;为啥需要做SEO？&#8220; --- 用户在变，为了更快迎合&#8221;上帝&#8220;我们需要SEO这一神器</p> <p>本文由点滴<strong>SEO博客 </strong>www.moguliang.com原创首发，转载需注明出处，谢谢！</p></div> </div><img src ="http://www.blogjava.net/hnyzchenl/aggbug/408968.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/hnyzchenl/" target="_blank">穷爸爸</a> 2014-01-15 10:38 <a href="http://www.blogjava.net/hnyzchenl/articles/408968.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>oracle常规操作</title><link>http://www.blogjava.net/hnyzchenl/articles/367154.html</link><dc:creator>穷爸爸</dc:creator><author>穷爸爸</author><pubDate>Mon, 26 Dec 2011 00:46:00 GMT</pubDate><guid>http://www.blogjava.net/hnyzchenl/articles/367154.html</guid><wfw:comment>http://www.blogjava.net/hnyzchenl/comments/367154.html</wfw:comment><comments>http://www.blogjava.net/hnyzchenl/articles/367154.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/hnyzchenl/comments/commentRss/367154.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/hnyzchenl/services/trackbacks/367154.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp;
<div style="border-bottom: #cccccc 1px solid; border-left: #cccccc 1px solid; padding-bottom: 4px; background-color: #eeeeee; padding-left: 4px; width: 98%; padding-right: 5px; font-size: 13px; word-break: break-all; border-top: #cccccc 1px solid; border-right: #cccccc 1px solid; padding-top: 4px"><!--<br /><br />Code highlighting produced by Actipro CodeHighlighter (freeware)<br />http://www.CodeHighlighter.com/<br /><br />--><span style="color: #008080">&nbsp;1</span><img align="top" src="http://www.blogjava.net/images/OutliningIndicators/None.gif"  alt="" /><span style="color: #800000; font-weight: bold">1</span><span style="color: #000000">)约束创建<br /></span><span style="color: #008080">&nbsp;2</span><span style="color: #000000"><img align="top" src="http://www.blogjava.net/images/OutliningIndicators/None.gif"  alt="" /><br /></span><span style="color: #008080">&nbsp;3</span><span style="color: #000000"><img align="top" src="http://www.blogjava.net/images/OutliningIndicators/None.gif"  alt="" />a:在已有重复列上创建唯一约束<br /></span><span style="color: #008080">&nbsp;4</span><span style="color: #000000"><img align="top" src="http://www.blogjava.net/images/OutliningIndicators/None.gif"  alt="" /></span><span style="color: #0000ff">alter</span><span style="color: #000000">&nbsp;</span><span style="color: #0000ff">table</span><span style="color: #000000">&nbsp;BOOK_POOL<br /></span><span style="color: #008080">&nbsp;5</span><span style="color: #000000"><img align="top" src="http://www.blogjava.net/images/OutliningIndicators/None.gif"  alt="" /></span><span style="color: #0000ff">add</span><span style="color: #000000">&nbsp;</span><span style="color: #0000ff">constraint</span><span style="color: #000000">&nbsp;unique_POOL_RELEASE&nbsp;</span><span style="color: #0000ff">unique</span><span style="color: #000000">&nbsp;<br /></span><span style="color: #008080">&nbsp;6</span><span style="color: #000000"><img align="top" src="http://www.blogjava.net/images/OutliningIndicators/None.gif"  alt="" />(DOCTORID,&nbsp;WORKID,&nbsp;VISITSDATE,&nbsp;VISITS_ID,&nbsp;RECORDSSTATEID)&nbsp;<br /></span><span style="color: #008080">&nbsp;7</span><span style="color: #000000"><img align="top" src="http://www.blogjava.net/images/OutliningIndicators/None.gif"  alt="" />enable&nbsp;novalidate;<br /></span><span style="color: #008080">&nbsp;8</span><span style="color: #000000"><img align="top" src="http://www.blogjava.net/images/OutliningIndicators/None.gif"  alt="" /><br /></span><span style="color: #008080">&nbsp;9</span><span style="color: #000000"><img align="top" src="http://www.blogjava.net/images/OutliningIndicators/None.gif"  alt="" />注释:job1(代表job唯一标识)<br /></span><span style="color: #008080">10</span><span style="color: #000000"><img align="top" src="http://www.blogjava.net/images/OutliningIndicators/None.gif"  alt="" /></span><span style="color: #800000; font-weight: bold">2</span><span style="color: #000000">)job管理<br /></span><span style="color: #008080">11</span><span style="color: #000000"><img align="top" src="http://www.blogjava.net/images/OutliningIndicators/None.gif"  alt="" /></span><span style="color: #008080">--</span><span style="color: #008080">查看job</span><span style="color: #008080"><br /></span><span style="color: #008080">12</span><span style="color: #008080"><img align="top" src="http://www.blogjava.net/images/OutliningIndicators/None.gif"  alt="" /></span><span style="color: #0000ff">select</span><span style="color: #000000">&nbsp;</span><span style="color: #808080">*</span><span style="color: #000000">&nbsp;</span><span style="color: #0000ff">from</span><span style="color: #000000">&nbsp;dba_jobs&nbsp;</span><span style="color: #0000ff">order</span><span style="color: #000000">&nbsp;</span><span style="color: #0000ff">by</span><span style="color: #000000">&nbsp;job;<br /></span><span style="color: #008080">13</span><span style="color: #000000"><img align="top" src="http://www.blogjava.net/images/OutliningIndicators/None.gif"  alt="" /><br /></span><span style="color: #008080">14</span><span style="color: #000000"><img align="top" src="http://www.blogjava.net/images/OutliningIndicators/None.gif"  alt="" /></span><span style="color: #008080">--</span><span style="color: #008080">创建job</span><span style="color: #008080"><br /></span><span style="color: #008080">15</span><span style="color: #008080"><img align="top" src="http://www.blogjava.net/images/OutliningIndicators/None.gif"  alt="" /></span><span style="color: #0000ff">begin</span><span style="color: #000000">&nbsp;<br /></span><span style="color: #008080">16</span><span style="color: #000000"><img align="top" src="http://www.blogjava.net/images/OutliningIndicators/None.gif"  alt="" />&nbsp;&nbsp;dbms_job.submit(:job1,&nbsp;</span><span style="color: #ff0000">'</span><span style="color: #ff0000">statspack.snap;</span><span style="color: #ff0000">'</span><span style="color: #000000">,&nbsp;trunc(sysdate</span><span style="color: #808080">+</span><span style="color: #800000; font-weight: bold">1</span><span style="color: #808080">/</span><span style="color: #800000; font-weight: bold">24</span><span style="color: #000000">,</span><span style="color: #ff0000">'</span><span style="color: #ff0000">HH</span><span style="color: #ff0000">'</span><span style="color: #000000">),&nbsp;</span><span style="color: #ff0000">'</span><span style="color: #ff0000">trunc(SYSDATE+1/24,</span><span style="color: #ff0000">''</span><span style="color: #ff0000">HH</span><span style="color: #ff0000">''</span><span style="color: #ff0000">)</span><span style="color: #ff0000">'</span><span style="color: #000000">,&nbsp;TRUE,&nbsp;:instno);<br /></span><span style="color: #008080">17</span><span style="color: #000000"><img align="top" src="http://www.blogjava.net/images/OutliningIndicators/None.gif"  alt="" /></span><span style="color: #0000ff">end</span><span style="color: #000000">;&nbsp;<br /></span><span style="color: #008080">18</span><span style="color: #000000"><img align="top" src="http://www.blogjava.net/images/OutliningIndicators/None.gif"  alt="" /><br /></span><span style="color: #008080">19</span><span style="color: #000000"><img align="top" src="http://www.blogjava.net/images/OutliningIndicators/None.gif"  alt="" /></span><span style="color: #008080">--</span><span style="color: #008080">删除job,job1代表:job任务的唯一标示号</span><span style="color: #008080"><br /></span><span style="color: #008080">20</span><span style="color: #008080"><img align="top" src="http://www.blogjava.net/images/OutliningIndicators/None.gif"  alt="" /></span><span style="color: #0000ff">begin</span><span style="color: #000000"><br /></span><span style="color: #008080">21</span><span style="color: #000000"><img align="top" src="http://www.blogjava.net/images/OutliningIndicators/None.gif"  alt="" />dbms_job.remove(job1);<br /></span><span style="color: #008080">22</span><span style="color: #000000"><img align="top" src="http://www.blogjava.net/images/OutliningIndicators/None.gif"  alt="" /></span><span style="color: #0000ff">end</span><span style="color: #000000">;<br /></span><span style="color: #008080">23</span><span style="color: #000000"><img align="top" src="http://www.blogjava.net/images/OutliningIndicators/None.gif"  alt="" /><br /></span><span style="color: #008080">24</span><span style="color: #000000"><img align="top" src="http://www.blogjava.net/images/OutliningIndicators/None.gif"  alt="" /></span><span style="color: #008080">--</span><span style="color: #008080">停止job</span><span style="color: #008080"><br /></span><span style="color: #008080">25</span><span style="color: #008080"><img align="top" src="http://www.blogjava.net/images/OutliningIndicators/None.gif"  alt="" /></span><span style="color: #000000">dbms_job.broken(job1,true);</span></div><img src ="http://www.blogjava.net/hnyzchenl/aggbug/367154.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/hnyzchenl/" target="_blank">穷爸爸</a> 2011-12-26 08:46 <a href="http://www.blogjava.net/hnyzchenl/articles/367154.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>