Answer & Explanation

4 Answers
Verified Correct Answer

Option A

ALTER TABLE products MODIFY name VARCHAR(255) NOT NULL;
Additional Explanation
Correct implementation. Prefer parameterized queries in application code, validate affected rows for UPDATE/DELETE, and use transactions for related writes.
Sarkari Resultess
Editorial Answer 1
Verified

Option B

ALTER TABLE products ADD NULL name;
Additional Explanation
This option is incorrect for the stated requirement.
Sarkari Resultess
Editorial Answer 2
Verified

Option C

UPDATE products SET name = NULL;
Additional Explanation
This option is incorrect for the stated requirement.
Sarkari Resultess
Editorial Answer 3
Verified

Option D

ALTER TABLE products DROP name NOT NULL;
Additional Explanation
This option is incorrect for the stated requirement.
Sarkari Resultess
Editorial Answer 4