CBSE · 083Class XII · 2025Section B1 mark
Question 27i(or)
4 March 2025 · Computer Science (083)
(i) (b) Help Nisha to identify the constraint which should be applied to the attribute NAME such that the Employees' Names cannot be left empty or NULL while entering the records but can have duplicate values.
Answer
NOT NULL
Explanation
The NOT NULL constraint enforces that a column cannot contain NULL values, but allows duplicates.