An attribute of one table matching the primary key of another table is calleda.foreign keyb.seconday keyc.candidate keyd.composite keyClear my choice
Question
An attribute of one table matching the primary key of another table is calleda.foreign keyb.seconday keyc.candidate keyd.composite keyClear my choice
Solution
The correct answer is a. foreign key.
A foreign key is a column or a set of columns in a relational database table that provides a link between data in two tables. It acts as a cross-reference between tables because it references the primary key of another table, thereby establishing a link between them.
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