﻿<?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>BlogJava-温馨小屋-最新评论</title><link>http://www.blogjava.net/tank414/CommentsRSS.aspx</link><description>&lt;MARQUEE direction="up"  height="80" scrollamount="1"onmouseover=stop() onmouseout=start()&gt;可爱的琪琪，开心快乐每一天&lt;/MARQUEE&gt;</description><language>zh-cn</language><pubDate>Thu, 22 Mar 2007 09:34:38 GMT</pubDate><lastBuildDate>Thu, 22 Mar 2007 09:34:38 GMT</lastBuildDate><generator>cnblogs</generator><item><title>re: 大数据量insert与update语句的效率问题</title><link>http://www.blogjava.net/tank414/archive/2007/03/20/104596.html#104939</link><dc:creator>饶志华</dc:creator><author>饶志华</author><pubDate>Tue, 20 Mar 2007 05:34:00 GMT</pubDate><guid>http://www.blogjava.net/tank414/archive/2007/03/20/104596.html#104939</guid><description><![CDATA[在使用子查询作DML操作时,子查询的索引及查询优化极其重要<img src ="http://www.blogjava.net/tank414/aggbug/104939.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/tank414/" target="_blank">饶志华</a> 2007-03-20 13:34 <a href="http://www.blogjava.net/tank414/archive/2007/03/20/104596.html#104939#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>re: c#操作excel后关闭excel.exe的方法</title><link>http://www.blogjava.net/tank414/archive/2007/03/19/79040.html#104749</link><dc:creator>kennba</dc:creator><author>kennba</author><pubDate>Mon, 19 Mar 2007 07:58:00 GMT</pubDate><guid>http://www.blogjava.net/tank414/archive/2007/03/19/79040.html#104749</guid><description><![CDATA[object objApp_Late;<br><br>Type objClassType; <br>objClassType = Type.GetTypeFromProgID(&quot;Excel.Application&quot;);<br>objApp_Late = Activator.CreateInstance(objClassType);<br><br> IntPtr   t   =   new   IntPtr(objApp_Late.Hwnd);   <br><br>这么写不对，应该怎么办呢？<br><br><img src ="http://www.blogjava.net/tank414/aggbug/104749.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/tank414/" target="_blank">kennba</a> 2007-03-19 15:58 <a href="http://www.blogjava.net/tank414/archive/2007/03/19/79040.html#104749#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>re: c#操作excel后关闭excel.exe的方法</title><link>http://www.blogjava.net/tank414/archive/2007/03/19/79040.html#104746</link><dc:creator>kennba</dc:creator><author>kennba</author><pubDate>Mon, 19 Mar 2007 07:55:00 GMT</pubDate><guid>http://www.blogjava.net/tank414/archive/2007/03/19/79040.html#104746</guid><description><![CDATA[以上代码如果用在后期绑定时，<br>应该怎么改呀？<img src ="http://www.blogjava.net/tank414/aggbug/104746.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/tank414/" target="_blank">kennba</a> 2007-03-19 15:55 <a href="http://www.blogjava.net/tank414/archive/2007/03/19/79040.html#104746#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>re: oracle时间模糊查询</title><link>http://www.blogjava.net/tank414/archive/2006/11/01/75653.html#78476</link><dc:creator>zhousir</dc:creator><author>zhousir</author><pubDate>Wed, 01 Nov 2006 07:24:00 GMT</pubDate><guid>http://www.blogjava.net/tank414/archive/2006/11/01/75653.html#78476</guid><description><![CDATA[利用to_char来转化成字符形式是可行的，至于效率问题，可以创建函数索引－－基于to_char(时间字段)，那样可以非常快的查询出结果～<img src ="http://www.blogjava.net/tank414/aggbug/78476.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/tank414/" target="_blank">zhousir</a> 2006-11-01 15:24 <a href="http://www.blogjava.net/tank414/archive/2006/11/01/75653.html#78476#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>re: oracle时间模糊查询</title><link>http://www.blogjava.net/tank414/archive/2006/10/19/75653.html#76063</link><dc:creator>陈琪</dc:creator><author>陈琪</author><pubDate>Thu, 19 Oct 2006 01:00:00 GMT</pubDate><guid>http://www.blogjava.net/tank414/archive/2006/10/19/75653.html#76063</guid><description><![CDATA[someone，你的意思我明白了。<br>p.setDate(1,formater.parse(&quot;2006-10-17&quot;)); <br>p.setDate(2,formater.parse(&quot;2006-10-16&quot;)); <br>思维不错，受教了。<br>@someone<br>@123bingbing<br>@有猫相伴的日子<br><br>使用like效率确实很低。不过很多时候模糊查询需要用到它<img src ="http://www.blogjava.net/tank414/aggbug/76063.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/tank414/" target="_blank">陈琪</a> 2006-10-19 09:00 <a href="http://www.blogjava.net/tank414/archive/2006/10/19/75653.html#76063#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>re: oracle时间模糊查询</title><link>http://www.blogjava.net/tank414/archive/2006/10/18/75653.html#76004</link><dc:creator>有猫相伴的日子</dc:creator><author>有猫相伴的日子</author><pubDate>Wed, 18 Oct 2006 10:01:00 GMT</pubDate><guid>http://www.blogjava.net/tank414/archive/2006/10/18/75653.html#76004</guid><description><![CDATA[使用like效率很低没必要这么转吧！！！！！等于运算就可以了<img src ="http://www.blogjava.net/tank414/aggbug/76004.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/tank414/" target="_blank">有猫相伴的日子</a> 2006-10-18 18:01 <a href="http://www.blogjava.net/tank414/archive/2006/10/18/75653.html#76004#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>re: oracle时间模糊查询</title><link>http://www.blogjava.net/tank414/archive/2006/10/18/75653.html#75917</link><dc:creator>123bingbing</dc:creator><author>123bingbing</author><pubDate>Wed, 18 Oct 2006 06:30:00 GMT</pubDate><guid>http://www.blogjava.net/tank414/archive/2006/10/18/75653.html#75917</guid><description><![CDATA[增开7群,号码 30440732<br>8群  30756649<br>9群  30178567<br>10群 28694497<br><br>我们的qq群:15096318 学习程序的都可以来<img src ="http://www.blogjava.net/tank414/aggbug/75917.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/tank414/" target="_blank">123bingbing</a> 2006-10-18 14:30 <a href="http://www.blogjava.net/tank414/archive/2006/10/18/75653.html#75917#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>re: oracle时间模糊查询</title><link>http://www.blogjava.net/tank414/archive/2006/10/18/75653.html#75799</link><dc:creator>someone</dc:creator><author>someone</author><pubDate>Wed, 18 Oct 2006 01:19:00 GMT</pubDate><guid>http://www.blogjava.net/tank414/archive/2006/10/18/75653.html#75799</guid><description><![CDATA[//get connection<br>Connection con = xx;<br>String sql = &quot;select * from atm1_operatelog t where t.operatetime &lt; ? and t.operatetime &gt; ?&quot;;<br>PreparedStatement p = con.preparedStatement(sql);<br>DateFormat formater= new SimpleDateFormat(&quot;yyyy-MM-dd&quot;);<br>//2006-10-16 means days before 2006-10-17 and after 2006-10-15<br>p.setDate(1,formater.parse(&quot;2006-10-17&quot;));<br>p.setDate(2,formater.parse(&quot;2006-10-16&quot;)); <br>ResultSet  result = p.executeQuery() ;<br>//process ResultSet<br>........ <br><img src ="http://www.blogjava.net/tank414/aggbug/75799.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/tank414/" target="_blank">someone</a> 2006-10-18 09:19 <a href="http://www.blogjava.net/tank414/archive/2006/10/18/75653.html#75799#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>re: oracle时间模糊查询</title><link>http://www.blogjava.net/tank414/archive/2006/10/18/75653.html#75789</link><dc:creator>陈琪</dc:creator><author>陈琪</author><pubDate>Wed, 18 Oct 2006 00:46:00 GMT</pubDate><guid>http://www.blogjava.net/tank414/archive/2006/10/18/75653.html#75789</guid><description><![CDATA[你的意见是正确的，<br>问题是该如何实现呢？能给个具体的例子么？<br>你的想法我也考虑过，但是没找到好的实现方法。<br>你给个例子吧，让大家都学习学习<br>@someone<br><img src ="http://www.blogjava.net/tank414/aggbug/75789.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/tank414/" target="_blank">陈琪</a> 2006-10-18 08:46 <a href="http://www.blogjava.net/tank414/archive/2006/10/18/75653.html#75789#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>re: oracle时间模糊查询</title><link>http://www.blogjava.net/tank414/archive/2006/10/17/75653.html#75770</link><dc:creator>someone</dc:creator><author>someone</author><pubDate>Tue, 17 Oct 2006 15:50:00 GMT</pubDate><guid>http://www.blogjava.net/tank414/archive/2006/10/17/75653.html#75770</guid><description><![CDATA[在where子句中使用数据库函数，会导致索引无法使用。<br>而且在sql里面用上数据库特定函数的话，对移植性也有影响。<br><br>个人认为日期模糊查询较好的做法是使用JDBC的PreparedStatement，sql写标准sql（与数据库无关），日期值用? 然后代码里面将日期的范围值set进去，把日期处理交给JDBC来做。<br><br>如上面例子 select * from atm1_operatelog t where t.operatetime &lt; ? and t.operatetime &gt; ?<br><br>代码里面 PreparedStatement.setDate(1,date1);<br>           PreparedStatement.setDate(2,date2);<br><img src ="http://www.blogjava.net/tank414/aggbug/75770.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/tank414/" target="_blank">someone</a> 2006-10-17 23:50 <a href="http://www.blogjava.net/tank414/archive/2006/10/17/75653.html#75770#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>