Multiple choice technology mainframe

---------------- IS USED TO SEQUENCE DATABASE AND IT CAN NOT BE CHANGED.

  1. KEY FIELD

  2. SEARCH FIELD

  3. BOTH

  4. NONE

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

In database design, a key field (or sequence field) is used to uniquely identify and sequence records or segments. Once set, its value generally cannot be altered to maintain database integrity and structure. Search fields are used for querying data and can be modified, making other options incorrect.