What is the function of the not null constraint?
Posted: Thu Jul 14, 2022 8:53 am
a) It prevents illegal data from being entered into the database
b) It ensures that data is entered into the database
c) It ensures that the data entered is unique
d) None of the mentioned
b) It ensures that data is entered into the database
c) It ensures that the data entered is unique
d) None of the mentioned