Databases
Database Analogies
Collected by Xiaoying Tu — Lecture Notes
Conceptual modeling
Anything else
Illustrates the purpose of developing a conceptual model.
| Symbol | Concept |
|---|---|
| model | map (abstraction of the real world) |
The purpose of modeling
Maps are depictions of the real world without the unnecessary details, reflecting only the relevant information. Similarly a conceptual model is a depiction of the real world scenario with only necessary details.
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A notional machine is a pedagogic device to assist the understanding of some aspect of programs or programming. To something along the lines of A notional machine is a pedagogical tool designed to support the understanding of programs, programming, and other aspects of computing such as databases.
