Multiple choice technology programming languages

Can null keys be entered in cluster index, normal index?

  1. True

  2. False

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

In most database systems (like Oracle), normal B-tree indexes generally do not store entries where all columns are NULL. However, clustered indexes (or index-organized tables) and certain specific index types can handle NULL keys depending on the RDBMS implementation.