Question

______ refers to the attribute that can uniquely identify tuples within the relation. 

Options

• Foreign key

• Consolidate key

• Alternate Key

• Primary key

Answer 1

The primary key refers to the attribute that can uniquely identify tuples within the relation.  

Explanation:

A column or set of columns that uniquely identify each row in a table is known as the primary key. The same value cannot appear more than once in the table as the Primary Key, which means it cannot be duplicated. such as the student's roll number Item ID, etc.