The following data model is designed to hold information relating to Employees working on company Projects. 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 recording of how long an Employee has spent on a given project by including Work_Date and Hours in the LINK table that is supplied to break up the Many-To-Many relationship between Employees and Projects.
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 Employee Projects
Please download the data model relating to Relationships for Employees and Projects which is contained in the zipped up Microsoft Word document.