Most projects benefit from having a data model. Read this article for an overview of the most common types.

The way data is actually stored in a database and managed by a DBMS is defined by a database model. Essentially, there are three types of database models: Relational, Hierarchical and Network.

The Common Data Model, which Microsoft describes as "an out-of-box business database for storing and managing business entities," is at the center of its PowerApps service for building custom business ...

Many neophyte data modelers have trouble distinguishing between logical and physical data models. These novices likely cannot explain why each model exists, or the differences expressed between them.