What Is The Function Of The Unique Constraint #68
What is the function of the unique constraint?
This multiple choice question (MCQ) is related to the book/course
gs gs114 Relational Database Management System.
It can also be found in
gs gs114 Intermediate and Advanced SQL - Integrity Constraints - Quiz No.1.
What is the function of the unique constraint?
It ensures that no two values under an attribute are identical
It ensures that all the attributes are perfectly unique in their data type
It ensures that all the relations in the database have a unique set of attributes
It does not have any function in SQL
