(Data West Research Agency definition: see GIS glossary.) An entity or geographic feature that occupies a position in space about which data describing the attributes of the entity and its ...

An entity is a file (table ... See data model and dimensional modeling. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

In a relational database, it is necessary to define the relationship that exists between different entities. A one-to-many relationship exists when one entity can be present in many different ...