Entity Relationship Diagram

November 21, 2013  |   Posted by :   |     |   Comments Off on Entity Relationship Diagram»


Definition: A diagram that describes what is inside the database and how each part relates to all others.

What This Means: When the time comes to produce reports or to perform a query, the data must be arranged in the database such that they can be accessed and related to each other appropriately. In the software developers’ quest to be efficient, the relationships among the entities within a database document how to get to everything after redundancy is reduced.


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