Question

Every record in a table in a database must have a​ ____________ which is a column or group of columns that identifies a unique record in the table.

a. folder
b. field
c. descriptor
d. metadata
e. key

Answer 1

e. Key

Step-by-step explanation:

Answer 2

Every record in a table in a database must have a​ key(Primary Key PK) or group of keys (/Composite key) that uniquely identify that record.