Entity Relation Diagrams

Entity Relation Diagrams
Entity Relation Diagrams are used in the design of database structure to ultimately arrive at a database where data can be efficiently and effectively stored and managed. There are plenty of tutorials and webpages available on the Entity relation model, here are some links to start on.
 * Entity relation model-Wikipedia - Wikipedia's page on the Entity relation model.


 * Developing Entity Relationship Diagrams (ERDs) - Pretty good tutorial.