secondary key meaning in English
次码钥
辅 助 关 键 码
辅助关键字, 二级关键字
关键字为次关键字
Examples
- The secondary keys correspond with primary keys in other tables
辅键与其它表中的主键对应。 - And secondary keys in
中而辅键存储在 - For example , in figure 2 , the books table has secondary keys authorid and pubid
例如在图2中， books表具有authorid和pubid两个辅键。 - To round things out , you can also define one - to - one relations , where one primary key must match exactly one secondary key
为了更加全面，您也可以定义一个主键必须恰好与一个辅键匹配的