一个使用DAO的例子

众所周知，软件开发离不开对数据的访问。数据访问在整个软件开发的三层构架中属于数据层，是其它两层的基础。没有了它，存储的数据变的毫无意义。与此同时，数据访问的效率将直接影响到软件的质量。一个数据访问缓慢的系统是客户无法容忍的。一个好的系统必然有一个高效的数据访问方法。由此可见，数据访问在软件开发过程中是非常重要的。如果能统一对数据的访问方法，那么一切有关数据访问方面的问题都可以得到解决。我的系统将可以面向所有的数据源，甚至是未来将会出现的数据源。 预期结果 实现对SQLServer,ODBC,OLEDB数据源以及工业中的Citect，IFix监控软件数据源的统一访问。 开发环境： Microsoft Windows2000开发平台 开发工具： Microsoft Visual C++.NET 数据源： Microsoft SQLServer2000，Citect,Ifix，ODBC 文件说明： DAServer2.dll是一个统一数据访问平台。提供OLEDB标准接口。用户可对其进行访问。 SQLServerProvider.dll是针对SQLServer数据源的提供程序。 config.ini是系统配置文件。- Data access in the entire software development framework is a three-tier data layer, the other is a two-tier basis. Without it, the data storage change meaningless. Meanwhile, the efficiency of data access will directly affect the quality of the software. A slow data access system is the customer can not be tolerated. A good system will be an efficient data access methods. This shows that access to data in the software development process is very important. If reunification of data

信息技术为企业的发展提供了机遇，也带来了挑战。如何改良企业内部经营机制，公正、客观、全面、快捷地评估员工的业绩，实现以人为本的经营战略，提高人事管理工作的效率，使人事管理员有更多的精力去做人力资源分析、研究和开发工作，是企业立足发展，开拓未来，领先同行业的关键。本文叙述了一个人事管理系统形成的全过程，包括部分演示。-Information technology for enterprise development has provided opportunities and challenges. How to improve the internal management mechanism, fair, objective, comprehensive, and quick assessment of employee performance, the realization of people-oriented business strategy to improve the efficiency of personnel management, so that personnel administrators to have more energy to do human resources analysis, research and development work, is the enterprise based on development, ushering in the future, leading the industry key. This paper describes the formation of a personnel management system, the entire process, including the part of the presentation.

约瑟夫环的原程序很好用的啊 我的程序是自己做的 考试还得了优呢 免费的 大家快来下载啊 -Josephus the original program with the good ah my own procedure is the examination of priorities? Need everyone to hurry free download ah

环亚美容美发受费系统是一个采用accse数据库的delphi系统,界面美观,实用.-Plaza Beauty Salon by the fee system is a delphi using accse database system, the interface appearance and practical.

如果你还没有申请到支持ASP的免费空间，那这个软件也许对你很有用-If you have not ASP applications to support the free space, the software may be useful to you

db数据库支撑模块，数据库的开发以及ADO.NET的数据封装，虽然不是很完美但是对一般开发已近满足大部分需求-db database support module, database development, and ADO.NET data package, although not perfect but most of the general development to meet the needs of nearly

图书销售管理系统-book sales management system

Diamond Access is a set of Delphi components, that provide high-speed performance when working with Microsoft s Access databases. Diamond Access uses Data Access Objects 3.5/3.6 (DAO) to work directly with Jet engine, providing fastest possible interface to Access databases.

一个用ＶＢ做的词库管理系统-a VB do Thesaurus Management System

Oracle学习的经典教程之三，需要不断的取品味，-Oracle Tutorial classic study of the three, need to constantly check the taste,