Data Modeling

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What Does Data Modeling Mean?

Data modeling is a representation of the data structures in a table for a company’s database and is a very powerful expression of the company’s business requirements. This data model is the guide used by functional and technical analysts in the design and implementation of a database.

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Data models are used for many purposes, from high-level conceptual models to physical data models.

Techopedia Explains Data Modeling

Data modeling explores data-oriented structures and identifies entity types. This is unlike class modeling, where classes are identified.

Three basic styles of data modeling are generally used in practice today.

  • Conceptual Data Models: High-level, static business structures and concepts
  • Logical Data Models (LDMs): Entity types, data attributes and relationships between entities
  • Physical Data Models (PDMs): The internal schema database design
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Margaret Rouse
Senior Editor
Margaret Rouse
Senior Editor

Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages.