Back to the Data Model.
The Draft Business Rules have been defined and are listed below.
A. The Area being Modelled is :- A Data Warehouse for Slot Machines in a Casino. B. The Things of Interest, ('THINGS'), include :- B.1 Groups of Slot Machines B.2 Slot Machines B.3 Takings C. These THINGS are Related as follows :- C.1 A SLOT_MACHINE can be in zero, one or many GROUPS_OF_SLOT_MACHINES. C.2 TAKINGS are removed from the Slots at specific Time Periods. D. Other Characteristics of these THINGS include :- D.1 A SLOT_MACHINE can be in one and only one LOCATION. E. Sample Data includes :- To be determined F. Typical Enquiries include :- F.1 What were the Total Takings for slot Machines in Group 1 yesterday ?
1st. December 2002