4.3. Solutions: Data Models

Exercise: The Barbican Data Model

The data model that we derived from the user’s statement and from the sample documents is shown in Figure 4.3.1.

Image

Figure 4.3.1: Data model for the Barbican Centre exercise.

A partial data dictionary to accompany the data model is this:

Booking = Booking Date + Booking Price Paid + Booking Discount Amount

Discount Qualification = * Data element *[“School Child” | “Senior ...

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