The integrated view of conceptual, logical, and physical data models helps users to understand the information and ensure the right information is used across an entire enterprise.

These models can be either conceptual, logical or physical. A good data model includes primary and foreign keys, which allow you to maintain referential integrity; this allows your database to ...

Physical: Design a model for implementing the logical model that considers the RDBMS to be used. During this phase, you’ll describe tables, indexes, and so on.