Data Modeling


  • What is and Why Data Modeling? 
  • Steps of Data Modeling 
  • Relationship 
  • Normalization 
  • Data modeling tools

What is and Why Data Modeling?

What is Data Modeling? 

  • Act of exploring data-oriented structures and their relationship 
  • Something similar to class modeling in OO design

Why Data Modeling? 

  • Abstraction 
    • A well abstracted data model will be economical and flexible to maintain and enhance since it will utilize symbols to represent a large body of design. 
  • Transparency 
    • A good data model enables its designer to perceive truthfulness of design by presenting an understandable picture of inherently complex ideas. 
  • Effectiveness 
    • An effective data model does the job accurately, reliably, and economically

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