Chapter 10, Problem 10RQ

Program Plan Intro

Page-level:

• It locks the entire diskpage of the system. The diskpage is otherwise called as diskblock.
• A table has several pages of one or more tables. It is a suitable process of multi-user environment.

Field-level:

The process of field level lock is to lock a field in one row. It is a suitable process of multi-user environment and it also requires high level of computer overhead.