Multiple choice technology databases

We can not modify data in view

  1. Group by clause

  2. Distinct keyword

  3. Pseudo column ROWNUM keyword

  4. All of above

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Views with GROUP BY, DISTINCT, or pseudo columns like ROWNUM cannot be modified through DML operations. These constructs create results that cannot be mapped back to base table rows for updates or deletes.