# Logical Data Modeling - Namespace (Hierarchical Entity Organization)

A namespace:

As a namespace is a ressource, it may have a URI.

## Design Rule

According to magical number:

• the number of part that consists of the package path should not exceed $7 \pm 2$
• the number of item in each package should not exceed $7 \pm 2$

Example:

• Bad package name because there is more than 7 parts which makes it really difficult to read and remember
com.example.really.blue.design.panel.carpet.koning