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或许大家都设计过数据库,也为表定义过主键,今天我想阐述的是,应该如何正确的设计一个主键,在以往的一些资料中,都没有提及到主键设计的原则.我为此总结了一下: -you might have designed the database, as well as table-defined primary key, and today I would like to explain is that How should correct the design of a primary key, in the past some of the information. no mention of the primary key design principle. I summarize this for a moment :

GPS常用专业术语编译-professional terminology commonly used GPS Compiler

用堆栈实现回文算法 可以测试各种字符串 dos界面-using stack algorithm can achieve Palindrome test string dos interface

它是一个简单的数字时钟与报警。它具有的菜单，那里你可以从您的计算机，或将其设置你自己花时间。 您可以设置报警并采取音乐从您的计算机。

一个完整经典的拼图游戏。（随书光盘上的） -a complete classic pieces of the jigsaw. (On the CD with the book)

自己编写的粒子滤波的源码,用于故障诊断,是MATLAB语言写的,-their preparation of the particle filter source for fault diagnosis, is written in MATLAB.

用dbexpress连接mysql4.0以上的版本 -dbexpress connected with the above version mysql4.0

8139网卡dos实模式驱动及简单收发数据源代码-8139 card dos real mode drivers and a simple transceiver data source code

Excel 内部所用的全部Icon,并且进行分类，可以直接使用.-internal use Excel all the Icon, and classification can be used directly.

c语言做的课程设计，通过实现二叉树来对书籍进行操作-c language to the curriculum design, through the realization of a binary tree to operate on the books