﻿<?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-欢迎光临赵玉开的技术博客-随笔分类-数据库</title><link>http://www.cnblogs.com/yukaizhao/category/86382.html</link><description>天马行空 无怨无嗔</description><language>zh-cn</language><lastBuildDate>Fri, 25 Jul 2008 21:43:22 GMT</lastBuildDate><pubDate>Fri, 25 Jul 2008 21:43:22 GMT</pubDate><ttl>60</ttl><item><title>如果你的数据库文件只剩下数据文件没有日志文件时，如何附加</title><link>http://www.cnblogs.com/yukaizhao/archive/2008/07/23/sp_attach_single_file_db.html</link><dc:creator>玉开</dc:creator><author>玉开</author><pubDate>Wed, 23 Jul 2008 09:06:00 GMT</pubDate><guid>http://www.cnblogs.com/yukaizhao/archive/2008/07/23/sp_attach_single_file_db.html</guid><wfw:comment>http://www.cnblogs.com/yukaizhao/comments/1249820.html</wfw:comment><comments>http://www.cnblogs.com/yukaizhao/archive/2008/07/23/sp_attach_single_file_db.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/yukaizhao/comments/commentRss/1249820.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/yukaizhao/services/trackbacks/1249820.html</trackback:ping><description><![CDATA[摘要: &nbsp;&nbsp;<a href='http://www.cnblogs.com/yukaizhao/archive/2008/07/23/sp_attach_single_file_db.html'>阅读全文</a><img src ="http://www.cnblogs.com/yukaizhao/aggbug/1249820.html?type=1" width = "1" height = "1" />]]></description></item><item><title>sql server2005对t-sql的增强之在聚合函数的后面使用over关键字</title><link>http://www.cnblogs.com/yukaizhao/archive/2008/05/27/sql_server_2005_over_avg.html</link><dc:creator>玉开</dc:creator><author>玉开</author><pubDate>Tue, 27 May 2008 04:38:00 GMT</pubDate><guid>http://www.cnblogs.com/yukaizhao/archive/2008/05/27/sql_server_2005_over_avg.html</guid><wfw:comment>http://www.cnblogs.com/yukaizhao/comments/1208290.html</wfw:comment><comments>http://www.cnblogs.com/yukaizhao/archive/2008/05/27/sql_server_2005_over_avg.html#Feedback</comments><slash:comments>10</slash:comments><wfw:commentRss>http://www.cnblogs.com/yukaizhao/comments/commentRss/1208290.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/yukaizhao/services/trackbacks/1208290.html</trackback:ping><description><![CDATA[摘要: 本文介绍了sql server2005对t-sql增强的新特性在聚合函数后面使用OVER，代替GROUP BY的写法；这种新的写法比GROUP BY要简短一些，可以省掉一个子查询。&nbsp;&nbsp;<a href='http://www.cnblogs.com/yukaizhao/archive/2008/05/27/sql_server_2005_over_avg.html'>阅读全文</a><img src 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href='http://www.cnblogs.com/yukaizhao/archive/2008/05/23/sql_get_row_date.html'>阅读全文</a><img src ="http://www.cnblogs.com/yukaizhao/aggbug/1205894.html?type=1" width = "1" height = "1" />]]></description></item><item><title>使用t-sql从身份证号中提取生日</title><link>http://www.cnblogs.com/yukaizhao/archive/2008/05/22/sql_getbirthday_from_id.html</link><dc:creator>玉开</dc:creator><author>玉开</author><pubDate>Thu, 22 May 2008 08:56:00 GMT</pubDate><guid>http://www.cnblogs.com/yukaizhao/archive/2008/05/22/sql_getbirthday_from_id.html</guid><wfw:comment>http://www.cnblogs.com/yukaizhao/comments/1205048.html</wfw:comment><comments>http://www.cnblogs.com/yukaizhao/archive/2008/05/22/sql_getbirthday_from_id.html#Feedback</comments><slash:comments>5</slash:comments><wfw:commentRss>http://www.cnblogs.com/yukaizhao/comments/commentRss/1205048.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/yukaizhao/services/trackbacks/1205048.html</trackback:ping><description><![CDATA[摘要: &nbsp;&nbsp;<a href='http://www.cnblogs.com/yukaizhao/archive/2008/05/22/sql_getbirthday_from_id.html'>阅读全文</a><img src ="http://www.cnblogs.com/yukaizhao/aggbug/1205048.html?type=1" width = "1" height = "1" />]]></description></item><item><title>建索引（尤其是主键）时请注意索引列的顺序</title><link>http://www.cnblogs.com/yukaizhao/archive/2008/05/09/create_index_order_by.html</link><dc:creator>玉开</dc:creator><author>玉开</author><pubDate>Fri, 09 May 2008 05:15:00 GMT</pubDate><guid>http://www.cnblogs.com/yukaizhao/archive/2008/05/09/create_index_order_by.html</guid><wfw:comment>http://www.cnblogs.com/yukaizhao/comments/1189818.html</wfw:comment><comments>http://www.cnblogs.com/yukaizhao/archive/2008/05/09/create_index_order_by.html#Feedback</comments><slash:comments>41</slash:comments><wfw:commentRss>http://www.cnblogs.com/yukaizhao/comments/commentRss/1189818.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/yukaizhao/services/trackbacks/1189818.html</trackback:ping><description><![CDATA[摘要: 在建主键时ms sql server总是自动在主键上建上聚集索引，并默认设置聚集索引列升序排列；如果我们的常用查询是根据主键列倒叙排列时，这对性能会有一些影响。本文通过实例证明了这种影响，以提示大家注意索引列的排序方式。&nbsp;&nbsp;<a href='http://www.cnblogs.com/yukaizhao/archive/2008/05/09/create_index_order_by.html'>阅读全文</a><img src ="http://www.cnblogs.com/yukaizhao/aggbug/1189818.html?type=1" width = "1" height = "1" />]]></description></item><item><title>sql server 中用户定义函数的限制</title><link>http://www.cnblogs.com/yukaizhao/archive/2008/05/08/sql_user_defined_function_limitation.html</link><dc:creator>玉开</dc:creator><author>玉开</author><pubDate>Thu, 08 May 2008 01:41:00 GMT</pubDate><guid>http://www.cnblogs.com/yukaizhao/archive/2008/05/08/sql_user_defined_function_limitation.html</guid><wfw:comment>http://www.cnblogs.com/yukaizhao/comments/1187797.html</wfw:comment><comments>http://www.cnblogs.com/yukaizhao/archive/2008/05/08/sql_user_defined_function_limitation.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.cnblogs.com/yukaizhao/comments/commentRss/1187797.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/yukaizhao/services/trackbacks/1187797.html</trackback:ping><description><![CDATA[摘要: sql server用户自定义函数使用上的5点限制。&nbsp;&nbsp;<a href='http://www.cnblogs.com/yukaizhao/archive/2008/05/08/sql_user_defined_function_limitation.html'>阅读全文</a><img src ="http://www.cnblogs.com/yukaizhao/aggbug/1187797.html?type=1" width = "1" height = "1" />]]></description></item><item><title>Sql Server 分区演练</title><link>http://www.cnblogs.com/yukaizhao/archive/2008/05/07/sql_partition_test.html</link><dc:creator>玉开</dc:creator><author>玉开</author><pubDate>Wed, 07 May 2008 03:32:00 GMT</pubDate><guid>http://www.cnblogs.com/yukaizhao/archive/2008/05/07/sql_partition_test.html</guid><wfw:comment>http://www.cnblogs.com/yukaizhao/comments/1186530.html</wfw:comment><comments>http://www.cnblogs.com/yukaizhao/archive/2008/05/07/sql_partition_test.html#Feedback</comments><slash:comments>9</slash:comments><wfw:commentRss>http://www.cnblogs.com/yukaizhao/comments/commentRss/1186530.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/yukaizhao/services/trackbacks/1186530.html</trackback:ping><description><![CDATA[摘要: sql server 分区简单代码展示。&nbsp;&nbsp;<a href='http://www.cnblogs.com/yukaizhao/archive/2008/05/07/sql_partition_test.html'>阅读全文</a><img src ="http://www.cnblogs.com/yukaizhao/aggbug/1186530.html?type=1" width = "1" height = "1" />]]></description></item><item><title>Sql Server2005对t-sql的增强之Cross Apply</title><link>http://www.cnblogs.com/yukaizhao/archive/2008/04/30/cross_apply.html</link><dc:creator>玉开</dc:creator><author>玉开</author><pubDate>Wed, 30 Apr 2008 04:41:00 GMT</pubDate><guid>http://www.cnblogs.com/yukaizhao/archive/2008/04/30/cross_apply.html</guid><wfw:comment>http://www.cnblogs.com/yukaizhao/comments/1177554.html</wfw:comment><comments>http://www.cnblogs.com/yukaizhao/archive/2008/04/30/cross_apply.html#Feedback</comments><slash:comments>3</slash:comments><wfw:commentRss>http://www.cnblogs.com/yukaizhao/comments/commentRss/1177554.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/yukaizhao/services/trackbacks/1177554.html</trackback:ping><description><![CDATA[摘要: 介绍sql server2005的cross apply语句。&nbsp;&nbsp;<a href='http://www.cnblogs.com/yukaizhao/archive/2008/04/30/cross_apply.html'>阅读全文</a><img src ="http://www.cnblogs.com/yukaizhao/aggbug/1177554.html?type=1" width = "1" height = "1" />]]></description></item><item><title>Sql Server2005对t-sql的增强之通用表表达式CTE</title><link>http://www.cnblogs.com/yukaizhao/archive/2008/04/29/cte_sql.html</link><dc:creator>玉开</dc:creator><author>玉开</author><pubDate>Tue, 29 Apr 2008 10:05:00 GMT</pubDate><guid>http://www.cnblogs.com/yukaizhao/archive/2008/04/29/cte_sql.html</guid><wfw:comment>http://www.cnblogs.com/yukaizhao/comments/1176633.html</wfw:comment><comments>http://www.cnblogs.com/yukaizhao/archive/2008/04/29/cte_sql.html#Feedback</comments><slash:comments>4</slash:comments><wfw:commentRss>http://www.cnblogs.com/yukaizhao/comments/commentRss/1176633.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/yukaizhao/services/trackbacks/1176633.html</trackback:ping><description><![CDATA[摘要: Sql Server2005对t-sql的增强之通用表表达式CTE&nbsp;&nbsp;<a href='http://www.cnblogs.com/yukaizhao/archive/2008/04/29/cte_sql.html'>阅读全文</a><img src ="http://www.cnblogs.com/yukaizhao/aggbug/1176633.html?type=1" width = "1" height = "1" />]]></description></item><item><title>Sql Server2005对t-sql的增强之top</title><link>http://www.cnblogs.com/yukaizhao/archive/2008/04/29/sql_top_enhance.html</link><dc:creator>玉开</dc:creator><author>玉开</author><pubDate>Tue, 29 Apr 2008 01:31:00 GMT</pubDate><guid>http://www.cnblogs.com/yukaizhao/archive/2008/04/29/sql_top_enhance.html</guid><wfw:comment>http://www.cnblogs.com/yukaizhao/comments/1175637.html</wfw:comment><comments>http://www.cnblogs.com/yukaizhao/archive/2008/04/29/sql_top_enhance.html#Feedback</comments><slash:comments>5</slash:comments><wfw:commentRss>http://www.cnblogs.com/yukaizhao/comments/commentRss/1175637.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/yukaizhao/services/trackbacks/1175637.html</trackback:ping><description><![CDATA[摘要: sql server 2005对top增强，可以传入参数或者子查询。&nbsp;&nbsp;<a href='http://www.cnblogs.com/yukaizhao/archive/2008/04/29/sql_top_enhance.html'>阅读全文</a><img src ="http://www.cnblogs.com/yukaizhao/aggbug/1175637.html?type=1" width = "1" height = "1" />]]></description></item><item><title>用Clr实现的sql表值函数splitIDs</title><link>http://www.cnblogs.com/yukaizhao/archive/2008/04/28/clr_sql_function.html</link><dc:creator>玉开</dc:creator><author>玉开</author><pubDate>Mon, 28 Apr 2008 09:08:00 GMT</pubDate><guid>http://www.cnblogs.com/yukaizhao/archive/2008/04/28/clr_sql_function.html</guid><wfw:comment>http://www.cnblogs.com/yukaizhao/comments/1174880.html</wfw:comment><comments>http://www.cnblogs.com/yukaizhao/archive/2008/04/28/clr_sql_function.html#Feedback</comments><slash:comments>12</slash:comments><wfw:commentRss>http://www.cnblogs.com/yukaizhao/comments/commentRss/1174880.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/yukaizhao/services/trackbacks/1174880.html</trackback:ping><description><![CDATA[摘要: 本文实现了一个拆分字符串的clr的表值函数并将其注册到sql server2005中；然后用t-sql实现了相同功能；最后比较了两种实现的性能。&nbsp;&nbsp;<a href='http://www.cnblogs.com/yukaizhao/archive/2008/04/28/clr_sql_function.html'>阅读全文</a><img src 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Server2005对t-sql的增强之排名函数,介绍NTILE,RANK,DENSE_RANK,ROW_NUMBER函数的使用。&nbsp;&nbsp;<a href='http://www.cnblogs.com/yukaizhao/archive/2008/04/28/sql_server_feature_rank_function.html'>阅读全文</a><img src ="http://www.cnblogs.com/yukaizhao/aggbug/1173889.html?type=1" width = "1" height = "1" />]]></description></item><item><title>Sql identity</title><link>http://www.cnblogs.com/yukaizhao/archive/2007/09/05/sql-identity.html</link><dc:creator>玉开</dc:creator><author>玉开</author><pubDate>Wed, 05 Sep 2007 09:23:00 GMT</pubDate><guid>http://www.cnblogs.com/yukaizhao/archive/2007/09/05/sql-identity.html</guid><wfw:comment>http://www.cnblogs.com/yukaizhao/comments/883288.html</wfw:comment><comments>http://www.cnblogs.com/yukaizhao/archive/2007/09/05/sql-identity.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/yukaizhao/comments/commentRss/883288.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/yukaizhao/services/trackbacks/883288.html</trackback:ping><description><![CDATA[摘要: 在資料庫中,常用的一個流水編號通常會使用identity欄位來進行設置,這種編號的好處是一定不會重覆,而且一定是唯一的,這對table中的唯一值特性很重要,通常用來做客戶編號,訂單編號...&nbsp;&nbsp;<a href='http://www.cnblogs.com/yukaizhao/archive/2007/09/05/sql-identity.html'>阅读全文</a><img src ="http://www.cnblogs.com/yukaizhao/aggbug/883288.html?type=1" width = "1" height = "1" />]]></description></item><item><title>应用程序权限设计</title><link>http://www.cnblogs.com/yukaizhao/archive/2007/04/15/user_role_action_permission.html</link><dc:creator>玉开</dc:creator><author>玉开</author><pubDate>Sun, 15 Apr 2007 07:58:00 GMT</pubDate><guid>http://www.cnblogs.com/yukaizhao/archive/2007/04/15/user_role_action_permission.html</guid><wfw:comment>http://www.cnblogs.com/yukaizhao/comments/714256.html</wfw:comment><comments>http://www.cnblogs.com/yukaizhao/archive/2007/04/15/user_role_action_permission.html#Feedback</comments><slash:comments>43</slash:comments><wfw:commentRss>http://www.cnblogs.com/yukaizhao/comments/commentRss/714256.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/yukaizhao/services/trackbacks/714256.html</trackback:ping><description><![CDATA[摘要: 我们在开发系统的时候，经常会遇到系统需要权限控制，而权限的控制程度不同有不同的设计方案。&nbsp;&nbsp;<a href='http://www.cnblogs.com/yukaizhao/archive/2007/04/15/user_role_action_permission.html'>阅读全文</a><img src 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href='http://www.cnblogs.com/yukaizhao/archive/2007/04/07/sql_perform_items.html'>阅读全文</a><img src ="http://www.cnblogs.com/yukaizhao/aggbug/703882.html?type=1" width = "1" height = "1" />]]></description></item><item><title>精妙Sql语句</title><link>http://www.cnblogs.com/yukaizhao/archive/2007/03/27/essential_sql.html</link><dc:creator>玉开</dc:creator><author>玉开</author><pubDate>Tue, 27 Mar 2007 13:44:00 GMT</pubDate><guid>http://www.cnblogs.com/yukaizhao/archive/2007/03/27/essential_sql.html</guid><wfw:comment>http://www.cnblogs.com/yukaizhao/comments/690523.html</wfw:comment><comments>http://www.cnblogs.com/yukaizhao/archive/2007/03/27/essential_sql.html#Feedback</comments><slash:comments>3</slash:comments><wfw:commentRss>http://www.cnblogs.com/yukaizhao/comments/commentRss/690523.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/yukaizhao/services/trackbacks/690523.html</trackback:ping><description><![CDATA[摘要: 1．&nbsp;判断a表中有而b表中没有的记录selecta.*fromtbl1aleftjointbl2bona.key=b.keywhereb.keyi...&nbsp;&nbsp;<a href='http://www.cnblogs.com/yukaizhao/archive/2007/03/27/essential_sql.html'>阅读全文</a><img src ="http://www.cnblogs.com/yukaizhao/aggbug/690523.html?type=1" width = "1" height = "1" />]]></description></item><item><title>如此高效通用的分页存储过程是带有sql注入漏洞的</title><link>http://www.cnblogs.com/yukaizhao/archive/2007/03/09/pagination_proc_problem.html</link><dc:creator>玉开</dc:creator><author>玉开</author><pubDate>Fri, 09 Mar 2007 10:16:00 GMT</pubDate><guid>http://www.cnblogs.com/yukaizhao/archive/2007/03/09/pagination_proc_problem.html</guid><wfw:comment>http://www.cnblogs.com/yukaizhao/comments/669617.html</wfw:comment><comments>http://www.cnblogs.com/yukaizhao/archive/2007/03/09/pagination_proc_problem.html#Feedback</comments><slash:comments>66</slash:comments><wfw:commentRss>http://www.cnblogs.com/yukaizhao/comments/commentRss/669617.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/yukaizhao/services/trackbacks/669617.html</trackback:ping><description><![CDATA[摘要: 在google中搜索&#8220;分页存储过程&#8221;会出来好多结果，是大家常用的分页存储过程，今天我却要说它是有漏洞的，而且漏洞无法通过修改存储过程进行补救，如果你觉得我错了，请读下去也许你会...&nbsp;&nbsp;<a href='http://www.cnblogs.com/yukaizhao/archive/2007/03/09/pagination_proc_problem.html'>阅读全文</a><img src ="http://www.cnblogs.com/yukaizhao/aggbug/669617.html?type=1" width = "1" height = "1" />]]></description></item><item><title>如何保证开发过程中对数据库结构的更新顺利地迁移到产品服务器上。</title><link>http://www.cnblogs.com/yukaizhao/archive/2007/03/06/database_update_method_1.html</link><dc:creator>玉开</dc:creator><author>玉开</author><pubDate>Tue, 06 Mar 2007 05:28:00 GMT</pubDate><guid>http://www.cnblogs.com/yukaizhao/archive/2007/03/06/database_update_method_1.html</guid><wfw:comment>http://www.cnblogs.com/yukaizhao/comments/665370.html</wfw:comment><comments>http://www.cnblogs.com/yukaizhao/archive/2007/03/06/database_update_method_1.html#Feedback</comments><slash:comments>18</slash:comments><wfw:commentRss>http://www.cnblogs.com/yukaizhao/comments/commentRss/665370.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/yukaizhao/services/trackbacks/665370.html</trackback:ping><description><![CDATA[摘要: 讨论已经运行了一段时间的产品发布新版本时（此时数据库中已经有了一些数据），数据库结构脚本该如何更新，才能保证正确无误。<br><br>文中的方法是我们公司使用的方法，可能不是最好的办法，欢迎大家赐教。&nbsp;&nbsp;<a href='http://www.cnblogs.com/yukaizhao/archive/2007/03/06/database_update_method_1.html'>阅读全文</a><img src ="http://www.cnblogs.com/yukaizhao/aggbug/665370.html?type=1" width = "1" height = "1" />]]></description></item></channel></rss>