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From requirements to meaning

From requirements to meaning

A conceptual data model starts from data requirements: statements about what a system must store and the rules that connect that data. At this stage you are modelling meaning, not writing SQL tables or choosing data types.

Conceptual data models and entity relationship modelling Lesson

  1. A Level
  2. /Computer Science
  3. /Conceptual data models and entity relationship modelling

Step-by-step lessons covering AQA A Level Computer Science Conceptual data models and entity relationship modelling for A Level Computer Science. Each lesson works through exam-style questions.

Lessons