integrity constraint

Integrity Constraint for Resource Space Model

资源空间模型的完整性约束理论

A foreign key constraint allows you to define referential integrity between a parent and child table.

外键约束允许您定义父表和子表之间的引用完整性.

The rule integrity constraint is an importance constitute part of management in deductive database.

完整性维护是演绎数据库管理中的重要组成部分.

The membership integrity constraint;

成员完整性约束；

A foreign-key constraint can implement referential integrity between parent and child tables.

外部索引键条件约束可于父和子资料表之间实作参考完整性.

And, ( 4) the user-defined integrity constraint relevant to applications.

用户自定义的完整性约束。

This study explored the methods of realization of the relation database data integrity constraint using logic programs which could solve the problem of semantic logic errors.

本文初步探讨了用逻辑程序实现关系数据库完整性约束的实现方法，该方法可以解决语义上逻辑错误的约束。