PrepAway - Latest Free Exam Questions & Answers

Which type of constraint can be used to ensure that an INTEGER column in a table will never be assigned more t

Which type of constraint can be used to ensure that an INTEGER column in a table will
never be assigned more than one record that contains a NULL value?

PrepAway - Latest Free Exam Questions & Answers

A.
Informational constraint

B.
Column default constraint

C.
Unique constraint

D.
Primary key constraint


Leave a Reply