http://blog.yesky.com/Blog/part/category/13771.htmlPHP/mysql鼠标爱键盘zh-CHS.Text Version 0.958.2004.214鼠标爱键盘http://blog.yesky.com/blog/part/archive/2007/07/24/1697815.htmlTue, 24 Jul 2007 02:12:00 GMThttp://blog.yesky.com/Blog/part/comments/1697815.html#Feedback1http://blog.yesky.com/Blog/part/comments/commentRss/1697815.htmlhttp://blog.yesky.com/Blog/part/services/trackbacks/1697815.htmlDBDesigner使用笔记 表格之间的关系 DD总共有 6个绘制表间关系的图标 从上到下依次是 Create new 1:n Non identifying Relation.Tool (Shift+R) 创建一个新的 1:n 非识别关系 的工具 Create new 1:1 Non identifying Relation.Tool (S......<img src ="http://blog.yesky.com/Blog/part/aggbug/1697815.html" width = "1" height = "1" />鼠标爱键盘http://blog.yesky.com/blog/part/archive/2007/01/12/1631678.htmlFri, 12 Jan 2007 01:51:00 GMThttp://blog.yesky.com/Blog/part/comments/1631678.html#Feedback6http://blog.yesky.com/Blog/part/comments/commentRss/1631678.htmlhttp://blog.yesky.com/Blog/part/services/trackbacks/1631678.html基数是数据列所包含的不同值的数量。例如，某个数据列包含值1、3、7、4、7、3，那么它的基数就是4。索引的基数相对于数据表行数较高（也就是说，列中包含很多不同的值，重复的值很少）的时候，它的工作效果最好。如果某数据列含有很多不同的年龄，索引会很快地分辨数据行。如果某个数据列用于记录性别（只有"M"和"F"两种值），那么索引的用处就不大。如果值出现的几率几乎相......<img src ="http://blog.yesky.com/Blog/part/aggbug/1631678.html" width = "1" height = "1" />鼠标爱键盘http://blog.yesky.com/blog/part/archive/2006/11/13/1594222.htmlMon, 13 Nov 2006 13:32:00 GMThttp://blog.yesky.com/Blog/part/comments/1594222.html#Feedback4http://blog.yesky.com/Blog/part/comments/commentRss/1594222.htmlhttp://blog.yesky.com/Blog/part/services/trackbacks/1594222.html通行证是个大题目，说白了也就是如何维护客户的会话，在php中所能用的方法无非几种： ●Cookie ● Session ● POST或GET的方法传值 一般中小型的单服务器应用程序站点，如Discuz论坛,采用的cookie+session+mysql的方法来维持用户会话。 考虑到网站规模和复杂性，例如多台服务器多个应用程序，例如163的通行证系统......<img src ="http://blog.yesky.com/Blog/part/aggbug/1594222.html" width = "1" height = "1" />鼠标爱键盘http://blog.yesky.com/blog/part/archive/2006/11/06/1590060.htmlMon, 06 Nov 2006 09:19:00 GMThttp://blog.yesky.com/Blog/part/comments/1590060.html#Feedback1http://blog.yesky.com/Blog/part/comments/commentRss/1590060.htmlhttp://blog.yesky.com/Blog/part/services/trackbacks/1590060.html　简单目的：将http://localhost/u.php?name=part重写成http://localhost/user/part 　　实现方法：使用Apache的mod_rewrite，它是提供了强大URL操作的杀手级的模块，可以实现几乎所有你梦想的URL操作类型，其代价是你必须接受其复杂性，因为mod_rewrite的主要障碍就是初学者不容易理解......<img src ="http://blog.yesky.com/Blog/part/aggbug/1590060.html" width = "1" height = "1" />帕特http://blog.yesky.com/blog/part/archive/2006/07/07/1481206.htmlFri, 07 Jul 2006 06:51:00 GMThttp://blog.yesky.com/Blog/part/comments/1481206.html#Feedback2http://blog.yesky.com/Blog/part/comments/commentRss/1481206.htmlhttp://blog.yesky.com/Blog/part/services/trackbacks/1481206.html<img src ="http://blog.yesky.com/Blog/part/aggbug/1481206.html" width = "1" height = "1" />帕特http://blog.yesky.com/blog/part/archive/2006/02/20/1234928.htmlMon, 20 Feb 2006 10:36:00 GMThttp://blog.yesky.com/Blog/part/comments/1234928.html#Feedback6http://blog.yesky.com/Blog/part/comments/commentRss/1234928.htmlhttp://blog.yesky.com/Blog/part/services/trackbacks/1234928.html<img src ="http://blog.yesky.com/Blog/part/aggbug/1234928.html" width = "1" height = "1" />帕特http://blog.yesky.com/blog/part/archive/2006/01/12/1199593.htmlThu, 12 Jan 2006 01:59:00 GMThttp://blog.yesky.com/Blog/part/comments/1199593.html#Feedback4http://blog.yesky.com/Blog/part/comments/commentRss/1199593.htmlhttp://blog.yesky.com/Blog/part/services/trackbacks/1199593.html<img src ="http://blog.yesky.com/Blog/part/aggbug/1199593.html" width = "1" height = "1" />帕特http://blog.yesky.com/blog/part/archive/2006/01/12/1199590.htmlThu, 12 Jan 2006 01:51:00 GMThttp://blog.yesky.com/Blog/part/comments/1199590.html#Feedback7http://blog.yesky.com/Blog/part/comments/commentRss/1199590.htmlhttp://blog.yesky.com/Blog/part/services/trackbacks/1199590.html<img src ="http://blog.yesky.com/Blog/part/aggbug/1199590.html" width = "1" height = "1" />帕特http://blog.yesky.com/blog/part/archive/2005/12/31/1191884.htmlSat, 31 Dec 2005 07:01:00 GMThttp://blog.yesky.com/Blog/part/comments/1191884.html#Feedback2http://blog.yesky.com/Blog/part/comments/commentRss/1191884.htmlhttp://blog.yesky.com/Blog/part/services/trackbacks/1191884.html<img src ="http://blog.yesky.com/Blog/part/aggbug/1191884.html" width = "1" height = "1" />