Multiple choice technology programming languages

Which is the Defualt Index ?

  1. BITMAP

  2. B-TREE

  3. FUNCTION BASED

  4. None

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

B-TREE is the default index type in Oracle and most relational databases. When you create an index without specifying the type, B-TREE is used. Bitmap indexes and function-based indexes require explicit specification.