Question

key uniquely identifies each record in a table​

Answer 1

Answer:

Primary Key - a field containing a value that uniquely identifies each record in a table. The primary key is unique and prevents entering duplicate records or a null value in that field. Foreign Key - a key in a related table that refers to the primary key in another table.

hope it's help... mark me as a brainilist

Answer 2

Answer:

primary key or tuple identifies each row in a table