Multiple choice

An Index consists of

  1. a list of keys

  2. pointers to the master list

  3. both (1) and (2)

  4. none of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

An index in database systems contains both the key values being indexed AND pointers/references to where those records exist in the main data storage. Without either component, the index would be non-functional.

Keep practicing — related questions