Which Key is used to link two tables in Mysql?
(a) Primary Key
(b) Foreign Key
(c) Both Primary and Foreign Key
(d) None of the mentioned
(a) Primary Key
(b) Foreign Key
(c) Both Primary and Foreign Key
(d) None of the mentioned
The correct option is (b) Foreign Key
The best I can explain: Foreign Key is only the Key which can link two tables.