Physical Database Design

1.2 Database Life Cycle 5

of business intelligence computing has led to a dramatic increase in the complexity of

the processing that is required.

These factors motivate the need for complex and sophisticated approaches to

physical database design. Why? By exploiting design techniques a practitioner can

reduce the processing time for operations in some cases by several orders of magni-

tude. Improving computational efficiency by a thousand times is real, and valuable;

and when you’re waiting at the bank machine to get your money, or waiting for an

analysis of business trading that will influence a multimillion dollar investment deci-

sion, it’s downright necessary.

1.2

Database Life Cycle

The database life cycle incorporates the basic steps involved in ...