Multiple choice

Which of the following cost components for query execution is the cost of searching for reading and writing data blocks that reside on secondary storage mainly on disks?

  1. Storage cost

  2. Computation cost

  3. Memory usage cost

  4. Access cost to secondary storage

  5. Communication cost

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

This cost component for query execution is the cost of searching for reading and writing data blocks that resides on secondary storage mainly on disks.