Chapter 2 Physical Data Model Basics
The PDM is a database design tool for defining the implementation of physical structures and data queries.
Depending on the type of database you want to design, you will use different types of diagrams in the PDM.
| Database | Diagram |
|---|---|
| Operational | Physical diagram to define the physical implementation of the database |
| Date warehouse or Data mart | Physical diagram to store business data |
| OLAP | Multidimensional diagram to define the possible queries to perform on the operational data |
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