Page 288 - Data Architecture
P. 288
Chapter 7.3: Data Modeling for the Structured Environment
Fig. 7.3.7 The elements of a database.
The elements of the database design include keys, attributes, records, and indexes.
Relating the Different Levels of the Data Model
The different levels of the data model are akin to the different levels of mapping that
exist in the world. Fig. 7.3.8 shows how the different levels of mapping relate to each
other.
288
