Data Modeling Question
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# 1 Data models are tools used in analysis to describe the data requirements and assumptions in the system from a top-down perspective. They also set the stage for the design of databases later on in the SDLC.

There are three basic elements in ER models:
Entities are the "things" about which we seek information.
Attributes are the data we collect about the entities.
Relationships provide the structure needed to draw information from multiple entities
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When should you consider denormalization?What is third normal form?
  1. Question Published at Thursday, 01 July 2010 in Category Data Modeling. Question Visited: 1774 Times.
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