摘要
随着信息系统的广泛应用,人们在获得海量信息的同时,越来越被数据的质量问题所困扰[1]。自从数据库管理系统(DBMS)出现后,数据已不再是程序的附属品,转而成为一种独立的产品。在应用程序升级换代的过程中,数据不但贯穿始终,而且变得越来越宝贵。文中以税务行业为应用背景,从实践角度探讨了分析数据质量的若干途径。阐述了数据质量的定义;针对定义的各项标准,分别阐述采用的解决方法;最后对数据质量分析的未来发展进行了展望。
These days, information systems have been used in almost all aspects of daily lives. Things have changed greatly after the invention of database management system （DBMS）. Data is now no longer the subordination of programs. It turned out to be an independent product. It stales where it is and become more valuable when applications have been updated or changed. In this article, discusse several methods to analyse and improve the data quality in a practical way based on a tax background. In the first place, give a definition of data quality; then explain the methods according to each item of the definition. Discuss the future development in the last place.
出处
《计算机技术与发展》
2007年第3期236-238,共3页
Computer Technology and Development
关键词
数据质量
数据解释
可达性
data quality
data explanation
data accessibility
