Chapter 2: Introduction To Logical Data Modelling
Logical Data Modelling:
- is a technique for clearly representing business information structures and rules as input to the database design process.
Most business facts can be represented through a logical data model by asking:
- What objects are involved in the business functions (e.g., customers, services, bills)
- What properties those objects have (e.g., name, address, personal number)
- How those objects are related by their properties (e.g., bills are sent to customer )