IIBF Emerging Technologies Practice Questions - IIBF Certificate In Emerging Technologies (India) Exam

A foreign key uniquely identifies each record in its own table, while a primary key acts as a copy A primary key enforces uniqueness in its table, while a foreign key links records to that primary key in another table A primary key can contain null values, whereas a foreign key cannot contain any null values A foreign key must have a different name and data type than the primary key it references