摘要
数据完整性是保证数据正确性、准确性和合法性的重要措施,是数据库应用系统开发中值得研究的问题。本文介绍了数据库系统完整性的当前技术状况、约束规则、系统支持能力,及其在xbase环境下的应用方法。
The data integrity is an important measure to make data
accurate,correct and valid ,therefore it is worth making a research. In the paper. the contemporary technical aspects , constraint rules , supporting system capacity and possible application under xbase have been mentioned.
出处
《株洲工学院学报》
1995年第3期84-89,共6页
Journal of Zhuzhou Institute of Technology
关键词
数据库
数据完整性
约束规则
Database Relation Data Integrity Data protection Primary key
