摘要
在数据库系统中,数据完整性问题会影响数据库正常使用。因此必须建立完整性约束机制。本文探讨数据完整性约束及其如何实现,并以SQL Server和PowerBuilder为平台,介绍了数据完整性约束的应用技术。
In database system, data integrity problem can affect the normal use of database. Therefore integrity restraint mechanism must be established. Data integrity restraint and its implementation are discussed in this article. And application of data integrity restraint technology is introduced based on SQL Server and PowerBuilder as the platform.
出处
《十堰职业技术学院学报》
2008年第5期108-110,共3页
Journal of Shiyan Technical Institute
