concurrency

说明：  C#语言开发的图书管理系统 实现了简单的数据库增删改查功能(The library management system developed in C # language realizes the simple function of adding, deleting, modifying and searching database.)

完全用PHP来完成的办公自动化系统，主要是完成对数据库的操作，具有一个办公系统的基本功能。(Entirely in PHP to complete the office automation systems, mainly to complete the database operation, has a basic function of office systems.)

visual studio 2008 与 sql server 2005 包含数据库文件，设计文档从别的地方下载的进行了修改。(visual studio 2008 and sql server 2005 database files containing the design documents for download from other places were modified.)

C++如何连接数据库，对于初学者来说很重要。简单易懂。免费下载(C++ How to connect to the database, it is important for beginners. Easy to understand. Free download)

超市收银系统，基于MFC，数据库用的是Acceess2003,数据源用的ODBC(chaoshishouyin system)

用MFC做的航空售票系统，是数据库课程设计，全部是自己做的，还不错哦。(MFC to do with air ticketing system is a database of curriculum design, to do all of their own, oh well.)

C#基础库，封装DES，AES，DAS加密模块，Sql&Mysql 数据库操作模块(C# foundation library package DES, AES, DAS encryption module, Sql & Mysql operations module)

本软件系本人自学VB过程中试写,后来经不断改进完成,经试用比较完整,又修补了一些漏洞,可以放心投入使用,并供学习编程爱好者参考. 本软件简单易用,操作方便,基本可以不用鼠标,直接通过键盘操作. ACCESS数据库+sql语句+VB6.0 数据库采用MD5加密 测试系统:WINDOWSXP(This software grades the course of my self-VB try to write, and later by the completion of continuous improvement, the more complete the trial, but also fixes some vulnerabilities, you can rest assured that put into use, and for enthusiasts to learn programming reference. This software is simple and easy to operate , the basic can be a mouse, directly through the keyboard. ACCESS database+ sql statement+ VB6.0 database using MD5 encryption test system: WINDOWSXP)

用于程序人员存放自己的各种代码的工具 1支持数据库备份和导入 2支持程序升级 3资料修改维护方便(For program staff kept their own tools for a variety of code to support one database backup and import 2 support escalation procedures to facilitate the maintenance of 3 data modification)

说明：  通过面向对象的对象-关系映射持久化技术，将一对多以及多对多的数据保存到数据库中并提供查询修改等功能。(Through Object-Oriented Object- Relational Mapping Persistence technology, one-to-many and many-to-many data is saved to the database and to provide features such as query modification.)