What is a foreign key?
A. A field in one table that refers to the primary key in another table.
B. A field in a table that uniquely identifies each record in the table.
C. A field in a table that can be duplicated.
D. None of the above.
Answer:A
What is a foreign key?
A. A field in one table that refers to the primary key in another table. B. A field in a table that uniquely identifies each record in the table. C. A field in a table that can be duplicated. D. None of the above.