1) foreign key
外部关键码
2) foreign key
外部关键字
1.
Two means to implement referential integrity are provided by most commercial relational database:declaring foreign keys and defining some triggers.
声明外部关键字或定义触发器 。
3) key
[英][ki:] [美][ki]
键,关键码
4) key code
关键代码
1.
Mainly introduce the data memory,treatment and visit mechanism of statement system and the key code of implementation plan is introduced in the end.
主要介绍了报表系统的数据存储、处理和访问机制,并给出实现系统的关键代码。
2.
A behavioral modeling method of each block in the system was introduced,and the key codes of each block modeling were given.
详细介绍了数控振荡器系统中各模块的建模方法,并给出了各模块建模的关键代码。
5) false key
伪关键码
6) primary key
主关键码
补充资料：关键字
用来标识文件中各个记录的特定数据项目的值。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条