﻿<?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-NinetyNine's Treasure-随笔分类-SQL相关</title><link>http://www.cnblogs.com/ninetynine/category/101920.html</link><description>| 积淀孕育创新 智慧创造价值|</description><language>zh-cn</language><lastBuildDate>Sat, 17 May 2008 17:42:06 GMT</lastBuildDate><pubDate>Sat, 17 May 2008 17:42:06 GMT</pubDate><ttl>60</ttl><item><title>请教：SQL数据库中日志文件的作用？</title><link>http://www.cnblogs.com/ninetynine/archive/2007/12/29/1019699.html</link><dc:creator>（NineTyNine）</dc:creator><author>（NineTyNine）</author><pubDate>Sat, 29 Dec 2007 03:50:00 GMT</pubDate><guid>http://www.cnblogs.com/ninetynine/archive/2007/12/29/1019699.html</guid><wfw:comment>http://www.cnblogs.com/ninetynine/comments/1019699.html</wfw:comment><comments>http://www.cnblogs.com/ninetynine/archive/2007/12/29/1019699.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/ninetynine/comments/commentRss/1019699.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/ninetynine/services/trackbacks/1019699.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 在SQL数据库中有个.ldf后缀的文件
这个文件有什么实质性的作用啊？
它能起到还原数据库的作用吗？&nbsp;&nbsp;<a href='http://www.cnblogs.com/ninetynine/archive/2007/12/29/1019699.html'>阅读全文</a><img src ="http://www.cnblogs.com/ninetynine/aggbug/1019699.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://ninetynine.cnblogs.com/" target="_blank">（NineTyNine）</a> 2007-12-29 11:50 <a href="http://www.cnblogs.com/ninetynine/archive/2007/12/29/1019699.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>请教：为什么存储过程不执行？</title><link>http://www.cnblogs.com/ninetynine/archive/2007/12/23/1011751.html</link><dc:creator>（NineTyNine）</dc:creator><author>（NineTyNine）</author><pubDate>Sun, 23 Dec 2007 12:44:00 GMT</pubDate><guid>http://www.cnblogs.com/ninetynine/archive/2007/12/23/1011751.html</guid><wfw:comment>http://www.cnblogs.com/ninetynine/comments/1011751.html</wfw:comment><comments>http://www.cnblogs.com/ninetynine/archive/2007/12/23/1011751.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/ninetynine/comments/commentRss/1011751.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/ninetynine/services/trackbacks/1011751.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 存储过程是这么写的CREATE&nbsp;PROCEDURE&nbsp;UpLoadFromBank@b_num&nbsp;varchar(20),@money&nbsp;decima...&nbsp;&nbsp;<a href='http://www.cnblogs.com/ninetynine/archive/2007/12/23/1011751.html'>阅读全文</a><img src ="http://www.cnblogs.com/ninetynine/aggbug/1011751.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://ninetynine.cnblogs.com/" target="_blank">（NineTyNine）</a> 2007-12-23 20:44 <a href="http://www.cnblogs.com/ninetynine/archive/2007/12/23/1011751.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>SQL中的DateTime型使用注意</title><link>http://www.cnblogs.com/ninetynine/archive/2007/12/18/1004217.html</link><dc:creator>（NineTyNine）</dc:creator><author>（NineTyNine）</author><pubDate>Tue, 18 Dec 2007 03:16:00 GMT</pubDate><guid>http://www.cnblogs.com/ninetynine/archive/2007/12/18/1004217.html</guid><wfw:comment>http://www.cnblogs.com/ninetynine/comments/1004217.html</wfw:comment><comments>http://www.cnblogs.com/ninetynine/archive/2007/12/18/1004217.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/ninetynine/comments/commentRss/1004217.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/ninetynine/services/trackbacks/1004217.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 时间段数据若没必要不要使用类型：datetime如果此字段为必填项则不必考虑，可使用datetime。当把字段为datetime的数据装环为varchar时，时间中的横线会丢失。所以一定要谨慎...&nbsp;&nbsp;<a href='http://www.cnblogs.com/ninetynine/archive/2007/12/18/1004217.html'>阅读全文</a><img src ="http://www.cnblogs.com/ninetynine/aggbug/1004217.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://ninetynine.cnblogs.com/" target="_blank">（NineTyNine）</a> 2007-12-18 11:16 <a href="http://www.cnblogs.com/ninetynine/archive/2007/12/18/1004217.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>为过程或函数 ##指定的参数太多</title><link>http://www.cnblogs.com/ninetynine/archive/2007/12/18/1004193.html</link><dc:creator>（NineTyNine）</dc:creator><author>（NineTyNine）</author><pubDate>Tue, 18 Dec 2007 03:04:00 GMT</pubDate><guid>http://www.cnblogs.com/ninetynine/archive/2007/12/18/1004193.html</guid><wfw:comment>http://www.cnblogs.com/ninetynine/comments/1004193.html</wfw:comment><comments>http://www.cnblogs.com/ninetynine/archive/2007/12/18/1004193.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/ninetynine/comments/commentRss/1004193.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/ninetynine/services/trackbacks/1004193.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 如果你的参数添加是在循环体内完成的，第2次时就会重复添加，此时触发参数过多异常解决方法1，参数在循环体外添加，for内部只赋值和取返回值解决方法2，每次循环清空参数Paramet...&nbsp;&nbsp;<a href='http://www.cnblogs.com/ninetynine/archive/2007/12/18/1004193.html'>阅读全文</a><img src ="http://www.cnblogs.com/ninetynine/aggbug/1004193.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://ninetynine.cnblogs.com/" target="_blank">（NineTyNine）</a> 2007-12-18 11:04 <a href="http://www.cnblogs.com/ninetynine/archive/2007/12/18/1004193.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>请教：在SQL server中的数据类型，谁能帮我详细的讲一下。</title><link>http://www.cnblogs.com/ninetynine/archive/2007/12/06/985055.html</link><dc:creator>（NineTyNine）</dc:creator><author>（NineTyNine）</author><pubDate>Thu, 06 Dec 2007 04:30:00 GMT</pubDate><guid>http://www.cnblogs.com/ninetynine/archive/2007/12/06/985055.html</guid><wfw:comment>http://www.cnblogs.com/ninetynine/comments/985055.html</wfw:comment><comments>http://www.cnblogs.com/ninetynine/archive/2007/12/06/985055.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/ninetynine/comments/commentRss/985055.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/ninetynine/services/trackbacks/985055.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 在SQLserver中的数据类型，谁能帮我详细的讲一下。binaryimagesql_varianttimestampuniqueidentifier这些类型都是怎么回事啊？...&nbsp;&nbsp;<a href='http://www.cnblogs.com/ninetynine/archive/2007/12/06/985055.html'>阅读全文</a><img src ="http://www.cnblogs.com/ninetynine/aggbug/985055.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://ninetynine.cnblogs.com/" target="_blank">（NineTyNine）</a> 2007-12-06 12:30 <a href="http://www.cnblogs.com/ninetynine/archive/2007/12/06/985055.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>报错：将截断字符串或二进制数据。语句已终止。</title><link>http://www.cnblogs.com/ninetynine/archive/2007/10/28/940219.html</link><dc:creator>（NineTyNine）</dc:creator><author>（NineTyNine）</author><pubDate>Sun, 28 Oct 2007 02:22:00 GMT</pubDate><guid>http://www.cnblogs.com/ninetynine/archive/2007/10/28/940219.html</guid><wfw:comment>http://www.cnblogs.com/ninetynine/comments/940219.html</wfw:comment><comments>http://www.cnblogs.com/ninetynine/archive/2007/10/28/940219.html#Feedback</comments><slash:comments>2</slash:comments><wfw:commentRss>http://www.cnblogs.com/ninetynine/comments/commentRss/940219.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/ninetynine/services/trackbacks/940219.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 报错总结：将截断字符串或二进制数据。语句已终止。
出现这种情况，使因为所填写的数据超出数据库规定的长度。&nbsp;&nbsp;<a href='http://www.cnblogs.com/ninetynine/archive/2007/10/28/940219.html'>阅读全文</a><img src ="http://www.cnblogs.com/ninetynine/aggbug/940219.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://ninetynine.cnblogs.com/" target="_blank">（NineTyNine）</a> 2007-10-28 10:22 <a href="http://www.cnblogs.com/ninetynine/archive/2007/10/28/940219.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>请教：SQL语句中OR和AND的优先级问题</title><link>http://www.cnblogs.com/ninetynine/archive/2007/08/30/876357.html</link><dc:creator>（NineTyNine）</dc:creator><author>（NineTyNine）</author><pubDate>Thu, 30 Aug 2007 13:28:00 GMT</pubDate><guid>http://www.cnblogs.com/ninetynine/archive/2007/08/30/876357.html</guid><wfw:comment>http://www.cnblogs.com/ninetynine/comments/876357.html</wfw:comment><comments>http://www.cnblogs.com/ninetynine/archive/2007/08/30/876357.html#Feedback</comments><slash:comments>6</slash:comments><wfw:commentRss>http://www.cnblogs.com/ninetynine/comments/commentRss/876357.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/ninetynine/services/trackbacks/876357.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: select*fromtablewhere（条件1and条件2and条件3）&nbsp;and（条件4or条件5or条件6）我想从表中搜索出同时符合条件1，2，3的数据...&nbsp;&nbsp;<a href='http://www.cnblogs.com/ninetynine/archive/2007/08/30/876357.html'>阅读全文</a><img src ="http://www.cnblogs.com/ninetynine/aggbug/876357.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://ninetynine.cnblogs.com/" target="_blank">（NineTyNine）</a> 2007-08-30 21:28 <a href="http://www.cnblogs.com/ninetynine/archive/2007/08/30/876357.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>这样做是否安全？</title><link>http://www.cnblogs.com/ninetynine/archive/2007/08/18/860777.html</link><dc:creator>（NineTyNine）</dc:creator><author>（NineTyNine）</author><pubDate>Sat, 18 Aug 2007 04:11:00 GMT</pubDate><guid>http://www.cnblogs.com/ninetynine/archive/2007/08/18/860777.html</guid><wfw:comment>http://www.cnblogs.com/ninetynine/comments/860777.html</wfw:comment><comments>http://www.cnblogs.com/ninetynine/archive/2007/08/18/860777.html#Feedback</comments><slash:comments>2</slash:comments><wfw:commentRss>http://www.cnblogs.com/ninetynine/comments/commentRss/860777.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/ninetynine/services/trackbacks/860777.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 我往数据库里插入的是&#8220;00&#8221;，可是在数据库里显示的是0，而从数据库里读出来后却是&#8220;00&#8221;。请问这是为什么？我这么向数据库里插入&#8220;00&#82...&nbsp;&nbsp;<a href='http://www.cnblogs.com/ninetynine/archive/2007/08/18/860777.html'>阅读全文</a><img src ="http://www.cnblogs.com/ninetynine/aggbug/860777.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://ninetynine.cnblogs.com/" target="_blank">（NineTyNine）</a> 2007-08-18 12:11 <a href="http://www.cnblogs.com/ninetynine/archive/2007/08/18/860777.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>请教：向数据库插入空值：DateTime型</title><link>http://www.cnblogs.com/ninetynine/archive/2007/08/18/860454.html</link><dc:creator>（NineTyNine）</dc:creator><author>（NineTyNine）</author><pubDate>Fri, 17 Aug 2007 16:37:00 GMT</pubDate><guid>http://www.cnblogs.com/ninetynine/archive/2007/08/18/860454.html</guid><wfw:comment>http://www.cnblogs.com/ninetynine/comments/860454.html</wfw:comment><comments>http://www.cnblogs.com/ninetynine/archive/2007/08/18/860454.html#Feedback</comments><slash:comments>3</slash:comments><wfw:commentRss>http://www.cnblogs.com/ninetynine/comments/commentRss/860454.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/ninetynine/services/trackbacks/860454.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: DateTime mydate = Convert.ToDateTime(this.TextBox1.Text.ToString());<br>当数据库中的类型为DateTime。<br>当textbox为空时，就会报错：该字符未被识别为有效的DateTime。<br>请问：我怎么向数据库中插入空的DateTime型数据？<br>&nbsp;&nbsp;<a href='http://www.cnblogs.com/ninetynine/archive/2007/08/18/860454.html'>阅读全文</a><img src ="http://www.cnblogs.com/ninetynine/aggbug/860454.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://ninetynine.cnblogs.com/" target="_blank">（NineTyNine）</a> 2007-08-18 00:37 <a href="http://www.cnblogs.com/ninetynine/archive/2007/08/18/860454.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>请教：数据库字段类型为datatime，请问在.net里怎样转换为datetime类型来插入数据库？</title><link>http://www.cnblogs.com/ninetynine/archive/2007/08/17/859733.html</link><dc:creator>（NineTyNine）</dc:creator><author>（NineTyNine）</author><pubDate>Fri, 17 Aug 2007 06:24:00 GMT</pubDate><guid>http://www.cnblogs.com/ninetynine/archive/2007/08/17/859733.html</guid><wfw:comment>http://www.cnblogs.com/ninetynine/comments/859733.html</wfw:comment><comments>http://www.cnblogs.com/ninetynine/archive/2007/08/17/859733.html#Feedback</comments><slash:comments>8</slash:comments><wfw:commentRss>http://www.cnblogs.com/ninetynine/comments/commentRss/859733.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/ninetynine/services/trackbacks/859733.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 数据库字段类型为datatime，请问在.net里怎样转换为datetime类型来插入数据库？&nbsp;&nbsp;<a href='http://www.cnblogs.com/ninetynine/archive/2007/08/17/859733.html'>阅读全文</a><img src ="http://www.cnblogs.com/ninetynine/aggbug/859733.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://ninetynine.cnblogs.com/" target="_blank">（NineTyNine）</a> 2007-08-17 14:24 <a href="http://www.cnblogs.com/ninetynine/archive/2007/08/17/859733.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>SQL语言快速入门</title><link>http://www.cnblogs.com/ninetynine/archive/2007/08/07/845506.html</link><dc:creator>（NineTyNine）</dc:creator><author>（NineTyNine）</author><pubDate>Mon, 06 Aug 2007 17:12:00 GMT</pubDate><guid>http://www.cnblogs.com/ninetynine/archive/2007/08/07/845506.html</guid><wfw:comment>http://www.cnblogs.com/ninetynine/comments/845506.html</wfw:comment><comments>http://www.cnblogs.com/ninetynine/archive/2007/08/07/845506.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/ninetynine/comments/commentRss/845506.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/ninetynine/services/trackbacks/845506.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: &nbsp;&nbsp;<a href='http://www.cnblogs.com/ninetynine/archive/2007/08/07/845506.html'>阅读全文</a><img src ="http://www.cnblogs.com/ninetynine/aggbug/845506.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://ninetynine.cnblogs.com/" target="_blank">（NineTyNine）</a> 2007-08-07 01:12 <a href="http://www.cnblogs.com/ninetynine/archive/2007/08/07/845506.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>数据库基本SQL语句大全</title><link>http://www.cnblogs.com/ninetynine/archive/2007/08/07/845504.html</link><dc:creator>（NineTyNine）</dc:creator><author>（NineTyNine）</author><pubDate>Mon, 06 Aug 2007 17:09:00 GMT</pubDate><guid>http://www.cnblogs.com/ninetynine/archive/2007/08/07/845504.html</guid><wfw:comment>http://www.cnblogs.com/ninetynine/comments/845504.html</wfw:comment><comments>http://www.cnblogs.com/ninetynine/archive/2007/08/07/845504.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/ninetynine/comments/commentRss/845504.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/ninetynine/services/trackbacks/845504.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: &nbsp;&nbsp;<a href='http://www.cnblogs.com/ninetynine/archive/2007/08/07/845504.html'>阅读全文</a><img src ="http://www.cnblogs.com/ninetynine/aggbug/845504.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://ninetynine.cnblogs.com/" target="_blank">（NineTyNine）</a> 2007-08-07 01:09 <a href="http://www.cnblogs.com/ninetynine/archive/2007/08/07/845504.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>数据库的还原与备份</title><link>http://www.cnblogs.com/ninetynine/archive/2007/08/07/845483.html</link><dc:creator>（NineTyNine）</dc:creator><author>（NineTyNine）</author><pubDate>Mon, 06 Aug 2007 16:24:00 GMT</pubDate><guid>http://www.cnblogs.com/ninetynine/archive/2007/08/07/845483.html</guid><wfw:comment>http://www.cnblogs.com/ninetynine/comments/845483.html</wfw:comment><comments>http://www.cnblogs.com/ninetynine/archive/2007/08/07/845483.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.cnblogs.com/ninetynine/comments/commentRss/845483.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/ninetynine/services/trackbacks/845483.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: &nbsp;&nbsp;<a href='http://www.cnblogs.com/ninetynine/archive/2007/08/07/845483.html'>阅读全文</a><img src ="http://www.cnblogs.com/ninetynine/aggbug/845483.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://ninetynine.cnblogs.com/" target="_blank">（NineTyNine）</a> 2007-08-07 00:24 <a href="http://www.cnblogs.com/ninetynine/archive/2007/08/07/845483.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>