Question: For this assignment, you will complete Parts 1 and 2 from the link in Module 2 named Practice: Implementing a Database Part 1 : Prepare
For this assignment, you will complete Parts and from the link in Module named "Practice: Implementing a Database"
Part : Prepare an ER diagram for a real estate firm that lists property for sale. Following is a description of the scenario:
The firm has a number of sales offices in several states. Attributes of sales office include OfficeNumber identifier and Location.
Each sales office is assigned to one or more employees. Attributes of employee include EmployeeID identifier and EmployeeName. An employee must be assigned to only one sales office.
For each sales office, there is always one employee that manages that office. An employee manage only the sales office to which she is assigned.
The firm lists property for sale. Attributes of property include PropertyID identifier and Location. Components of Location include Address, City, State, and ZipCode.
Each unit of property must be listed with one and only one of the sales offices. A sales offic may have any number of properties listed, or may have no properties listed.
Each unit of property has one or more owners. Atributes of owners are OwnerID identifier and OwnerName An owner may own one or more units of property. An attribute of the relationship between property and owner is PercentOwned.
Part Transform the ER diagram created in Part to a relational schema that shows referential integrity constraints ie foreign keys have been included wehn necpssary
Submission Instructions:
On a sheet of paper:
Draw the ER diagram from Part
List the relational schema with attributes and keys from Part
Step by Step Solution
There are 3 Steps involved in it
1 Expert Approved Answer
Step: 1 Unlock
Question Has Been Solved by an Expert!
Get step-by-step solutions from verified subject matter experts
Step: 2 Unlock
Step: 3 Unlock
