﻿<?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>博客园-╃小〥斌╄-随笔分类-数据库专栏</title><link>http://www.cnblogs.com/seagate_cn/category/18450.html</link><description>二十三年春秋梦，一朝秋雨人初醒。

几曾磨剑图破壁，而今励志待明朝。

莫道红颜无我辈，古来坦途有几人？

英雄何惧前途路，丈夫岂会不腾达！
</description><language>zh-cn</language><lastBuildDate>Thu, 22 May 2008 02:27:12 GMT</lastBuildDate><pubDate>Thu, 22 May 2008 02:27:12 GMT</pubDate><ttl>60</ttl><item><title>关于 Select * 和 Select Columns</title><link>http://www.cnblogs.com/seagate_cn/archive/2007/07/24/829034.html</link><dc:creator>╃小〥斌╄</dc:creator><author>╃小〥斌╄</author><pubDate>Tue, 24 Jul 2007 01:18:00 GMT</pubDate><guid>http://www.cnblogs.com/seagate_cn/archive/2007/07/24/829034.html</guid><wfw:comment>http://www.cnblogs.com/seagate_cn/comments/829034.html</wfw:comment><comments>http://www.cnblogs.com/seagate_cn/archive/2007/07/24/829034.html#Feedback</comments><slash:comments>3</slash:comments><wfw:commentRss>http://www.cnblogs.com/seagate_cn/comments/commentRss/829034.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/seagate_cn/services/trackbacks/829034.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 通常Select * 的效率要比Select Columns 相差好多 ， 可是今天遇到个问题 ， 却发现Select * 和 Select Columns 的执行计划却相差很大。<br>&nbsp;&nbsp;<a href='http://www.cnblogs.com/seagate_cn/archive/2007/07/24/829034.html'>阅读全文</a><img src ="http://www.cnblogs.com/seagate_cn/aggbug/829034.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://seagate_cn.cnblogs.com/" target="_blank">╃小〥斌╄</a> 2007-07-24 09:18 <a href="http://www.cnblogs.com/seagate_cn/archive/2007/07/24/829034.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>如何查询数据中数据量最大的表 ？</title><link>http://www.cnblogs.com/seagate_cn/archive/2007/07/23/827878.html</link><dc:creator>╃小〥斌╄</dc:creator><author>╃小〥斌╄</author><pubDate>Mon, 23 Jul 2007 01:55:00 GMT</pubDate><guid>http://www.cnblogs.com/seagate_cn/archive/2007/07/23/827878.html</guid><wfw:comment>http://www.cnblogs.com/seagate_cn/comments/827878.html</wfw:comment><comments>http://www.cnblogs.com/seagate_cn/archive/2007/07/23/827878.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.cnblogs.com/seagate_cn/comments/commentRss/827878.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/seagate_cn/services/trackbacks/827878.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: &nbsp;&nbsp;&nbsp; 由于数据库中表太多了 ， 想找一张数据量比较大的来做测试。 一张张找太麻烦了。 有没有一条语句可以求出来的？&nbsp;&nbsp;&nbsp;<a href='http://www.cnblogs.com/seagate_cn/archive/2007/07/23/827878.html'>阅读全文</a><img src ="http://www.cnblogs.com/seagate_cn/aggbug/827878.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://seagate_cn.cnblogs.com/" target="_blank">╃小〥斌╄</a> 2007-07-23 09:55 <a href="http://www.cnblogs.com/seagate_cn/archive/2007/07/23/827878.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>对SQL2000 中 order by size 限制的调查 （一）</title><link>http://www.cnblogs.com/seagate_cn/archive/2007/07/20/825311.html</link><dc:creator>╃小〥斌╄</dc:creator><author>╃小〥斌╄</author><pubDate>Fri, 20 Jul 2007 04:30:00 GMT</pubDate><guid>http://www.cnblogs.com/seagate_cn/archive/2007/07/20/825311.html</guid><wfw:comment>http://www.cnblogs.com/seagate_cn/comments/825311.html</wfw:comment><comments>http://www.cnblogs.com/seagate_cn/archive/2007/07/20/825311.html#Feedback</comments><slash:comments>12</slash:comments><wfw:commentRss>http://www.cnblogs.com/seagate_cn/comments/commentRss/825311.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/seagate_cn/services/trackbacks/825311.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 对SQL2000 中 order by size 限制的调查 （一）&nbsp;&nbsp;<a href='http://www.cnblogs.com/seagate_cn/archive/2007/07/20/825311.html'>阅读全文</a><img src ="http://www.cnblogs.com/seagate_cn/aggbug/825311.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://seagate_cn.cnblogs.com/" target="_blank">╃小〥斌╄</a> 2007-07-20 12:30 <a href="http://www.cnblogs.com/seagate_cn/archive/2007/07/20/825311.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>SQL的奇怪问题 （1行size超过最大值8049？）</title><link>http://www.cnblogs.com/seagate_cn/archive/2007/07/19/823807.html</link><dc:creator>╃小〥斌╄</dc:creator><author>╃小〥斌╄</author><pubDate>Thu, 19 Jul 2007 05:33:00 GMT</pubDate><guid>http://www.cnblogs.com/seagate_cn/archive/2007/07/19/823807.html</guid><wfw:comment>http://www.cnblogs.com/seagate_cn/comments/823807.html</wfw:comment><comments>http://www.cnblogs.com/seagate_cn/archive/2007/07/19/823807.html#Feedback</comments><slash:comments>15</slash:comments><wfw:commentRss>http://www.cnblogs.com/seagate_cn/comments/commentRss/823807.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/seagate_cn/services/trackbacks/823807.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: SQL的奇怪问题 （1行size超过最大值8049？）&nbsp;&nbsp;<a href='http://www.cnblogs.com/seagate_cn/archive/2007/07/19/823807.html'>阅读全文</a><img src ="http://www.cnblogs.com/seagate_cn/aggbug/823807.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://seagate_cn.cnblogs.com/" target="_blank">╃小〥斌╄</a> 2007-07-19 13:33 <a href="http://www.cnblogs.com/seagate_cn/archive/2007/07/19/823807.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>今天又学会一招~~~~~SQL语句</title><link>http://www.cnblogs.com/seagate_cn/archive/2005/07/27/201252.html</link><dc:creator>╃小〥斌╄</dc:creator><author>╃小〥斌╄</author><pubDate>Wed, 27 Jul 2005 09:43:00 GMT</pubDate><guid>http://www.cnblogs.com/seagate_cn/archive/2005/07/27/201252.html</guid><wfw:comment>http://www.cnblogs.com/seagate_cn/comments/201252.html</wfw:comment><comments>http://www.cnblogs.com/seagate_cn/archive/2005/07/27/201252.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.cnblogs.com/seagate_cn/comments/commentRss/201252.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/seagate_cn/services/trackbacks/201252.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: &nbsp;&nbsp;&nbsp;今天遇到个问题~~有个关键字段存放的是常用的关键字~并用冒号分割~然后通过输入的关键字查询是否在此字段中。以下为我的解决方案。。&nbsp;&nbsp;&nbsp...&nbsp;&nbsp;<a href='http://www.cnblogs.com/seagate_cn/archive/2005/07/27/201252.html'>阅读全文</a><img src ="http://www.cnblogs.com/seagate_cn/aggbug/201252.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://seagate_cn.cnblogs.com/" target="_blank">╃小〥斌╄</a> 2005-07-27 17:43 <a href="http://www.cnblogs.com/seagate_cn/archive/2005/07/27/201252.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>sql语句集（不断更新）</title><link>http://www.cnblogs.com/seagate_cn/archive/2005/06/24/180764.html</link><dc:creator>╃小〥斌╄</dc:creator><author>╃小〥斌╄</author><pubDate>Fri, 24 Jun 2005 15:56:00 GMT</pubDate><guid>http://www.cnblogs.com/seagate_cn/archive/2005/06/24/180764.html</guid><wfw:comment>http://www.cnblogs.com/seagate_cn/comments/180764.html</wfw:comment><comments>http://www.cnblogs.com/seagate_cn/archive/2005/06/24/180764.html#Feedback</comments><slash:comments>3</slash:comments><wfw:commentRss>http://www.cnblogs.com/seagate_cn/comments/commentRss/180764.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/seagate_cn/services/trackbacks/180764.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 问题一：查询某学生成绩表中各们课程的前两名。。。。。字段：sno,cno,num&nbsp;&nbsp;&nbsp;&nbsp;表名accSELECT*FROMaccaWHERE(sno...&nbsp;&nbsp;<a href='http://www.cnblogs.com/seagate_cn/archive/2005/06/24/180764.html'>阅读全文</a><img src ="http://www.cnblogs.com/seagate_cn/aggbug/180764.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://seagate_cn.cnblogs.com/" target="_blank">╃小〥斌╄</a> 2005-06-24 23:56 <a href="http://www.cnblogs.com/seagate_cn/archive/2005/06/24/180764.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>两条sql语句</title><link>http://www.cnblogs.com/seagate_cn/archive/2005/06/19/177288.html</link><dc:creator>╃小〥斌╄</dc:creator><author>╃小〥斌╄</author><pubDate>Sun, 19 Jun 2005 11:48:00 GMT</pubDate><guid>http://www.cnblogs.com/seagate_cn/archive/2005/06/19/177288.html</guid><wfw:comment>http://www.cnblogs.com/seagate_cn/comments/177288.html</wfw:comment><comments>http://www.cnblogs.com/seagate_cn/archive/2005/06/19/177288.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/seagate_cn/comments/commentRss/177288.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/seagate_cn/services/trackbacks/177288.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 1，从a表b表中取出相应字段插入到c表（c表为已存在表）insertintocselecta.id1,b.id2froma,b2，要求同上（c表为自动创建的表）SELECTa.id1,b...&nbsp;&nbsp;<a href='http://www.cnblogs.com/seagate_cn/archive/2005/06/19/177288.html'>阅读全文</a><img src ="http://www.cnblogs.com/seagate_cn/aggbug/177288.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://seagate_cn.cnblogs.com/" target="_blank">╃小〥斌╄</a> 2005-06-19 19:48 <a href="http://www.cnblogs.com/seagate_cn/archive/2005/06/19/177288.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>