Fig. 11.1.10 Denormalized data.Once the data are denormalized, the number of I/Os needed to execute the transaction is
reduced. The transaction now becomes a fast-running transaction.
Every now and then, it happens that a transaction needs to look at a lot of data,
regardless of how the data are organized. Such programs are typical of report programs
that look at the day's activities or the month's activities.
Fig. 11.1.11 shows one of these long-running programs.
Chapter 11.1: Operational Analytics: Response Time