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Database Design - Coggle Diagram
Database Design
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The Information System
- Provides for data collection, storage & retrieval
- Composed of: People, hardware, software, database(s), apps & procedures.
- Systems Analysis: Processes that establised need for & extent of IS (WHAT).
- Systems Design: Processes of creating IS (HOW).
Database Design Strategy ( 2 classical approaches)
- Top-down design
Identifies datasets
Defines data elements for each of those sets
Entity-to-Attributes
- Bottom-up design
Identifies data elements (items)
Groups them together in datasets
Attributes-toEntity