The following data model is designed to hold information relating to Customers Ordering Products. For this scenario we need to define the following facts:
These facts define the requirements which the Database must meet and should be agreed between the Database User and the Database Designer prior to physical creation.
The draft facts have been defined as:
The Entities required should include:
The Entities are related as follows:
The design allows a Customer to place zero, one or many Orders. An Order can be for one or many Products, and this Product can be associated with zero, one or many Orders (the reason for the Link_OrderProduct table)
When asking questions of the database we may need to know:
The following data model allows these questions to be answered and allows the information contained above to be stored logically and in a structured manner.
To view the model please go to: Relationships for Customers, Orders and Products Data Model
Please download the data model relating to Relationships for Customers, Orders and Products which is contained in the zipped up Microsoft Word document.
