Fig. 15.1.7 Different structures of data.

Fig. 15.1.7 shows that part of the system of record exists in the application environment,
part of the system of record exists in the data warehouse, part of the system of record
exists in the data marts, and part of the system of record exists in the big data
environment.

The Role of Age in the System of Record

The type of data in the system of record that exist in the different environments depends
entirely on the age of the data in the system of record.

Fig. 15.1.8 shows the different types of data that exist in the different places.

Chapter 15.1: The System of Record