BRMW is a free open source entity-relationship database modeling tool. We're working to make learning database modeling simple and accessible for everyone.

An Entity Relationship (ER) Diagram is a type of flowchart that illustrates how “entities” such as people, objects or concepts relate to each other within a system. d) each player has a name, a ...

A table in a database holds the attributes for one entity only. Data can then be added in the form of records. Rather than storing information in one table, relational databases store data across ...

Abstract: An entity relationship data model is a high level conceptual model that describes information as entities, attributes relationships and constraints. Entity relationship diagrams to design ...