database key meaning in English

数据库关键码
数据库码钥

Finally , the function and database key problems of distribution fault detection , islation and restoration system is presented
最后，提出了故障处理系统的功能模型和数据库设计结构，以及故障处理系统的实现方式。
The table must match the definition of your attributes ; for example , the primary database key for the equations table must be the primary key of the persistent class as well
表必需与属性定义匹配，例如，等式表的主数据库键必须也是persistent类的主键。