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您可能已经设计了数据库，以及表
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 :
- 2023-04-05 12:15:04下载
- 积分：1
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MVDR CBF DL
搜集并整理关于MVDR CBF 对角加载技术的程序，对于入门者很有帮助(Collecting and sorting on MVDR CBF diagonal loading technology program, very helpful for beginners)
- 2017-09-22 08:43:54下载
- 积分：1
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With ping method realization daily checking attendance work,
but also has the co...
用ping 的方法实现日常的考勤工作，还有相关的设计文档。也存在不少的问题，若有好的意见或建议，请回复信息。- With ping method realization daily checking attendance work,
but also has the correlation the design documents. Also has many
problems, if has the good opinion or the suggestion, please reply the
information.
- 2022-02-01 02:19:36下载
- 积分：1
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该程序实现了一个简单的运动目标识别程序,这是主程序文件
该程序实现了一个简单的运动目标识别程序,这是主程序文件-the program a simple moving target identification procedures, this document is the main program
- 2022-03-11 13:44:56下载
- 积分：1
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zigzag
用matlab实现zigzag扫描程序。(using Matlab achieve Zigzag scanning procedures.)
- 2006-06-18 09:15:19下载
- 积分：1
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计算粒子运动，运行环境为fortan。是计算模拟人士必学程序
计算粒子运动，运行环境为fortan。是计算模拟人士必学程序-Calculate volume of polymer monomer
- 2022-03-24 23:44:08下载
- 积分：1
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fraction
Program to display the fraction of a nuumber
- 2011-10-11 04:41:12下载
- 积分：1
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高斯滤波和双边滤波
说明： 本代码主要用matlab实现图片的高斯滤波和双边滤波，参数可调(This code mainly uses MATLAB to realize Gauss filtering and bilateral filtering of pictures, with adjustable parameters)
- 2020-03-27 22:09:19下载
- 积分：1
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excel_vba_程序设计源码考试成绩管理系统
excel_vba_程序设计源码考试成绩管理系统-excel vba 考试成绩管理系统
- 2022-08-06 06:18:02下载
- 积分：1
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航班查询系统，实现对飞机航班的查询如班期起飞时间到达时间票价等...
航班查询系统，实现对飞机航班的查询如班期起飞时间到达时间票价等-Flight query system and realize a query such as flight schedules fares departure time arrival time
- 2023-02-05 12:50:04下载
- 积分：1
