What Does The Notnull Integrity Constraint Do #583
What does the notnull integrity constraint do?
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 Introduction to Relational Model and SQL - Sql Data Definition - Quiz No.1.
What does the notnull integrity constraint do?
It ensures that at least one tuple is present in the relation
It ensures that at least one foreign key is present in the relation
It ensures that all tuples have a finite value on a specified attribute
It ensures that all tuples have finite attributes on all the relations