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Create ERD for the given case study using Crows Feet Notation.

Create ERD for the given case study using Crows Feet Notation.

Np Ms Office 365/Excel 2016 I Ntermed
Np Ms Office 365/Excel 2016 I Ntermed
1st Edition
ISBN:9781337508841
Author:Carey
Publisher:Carey
Chapter8: Working With Advanced Functions
Section: Chapter Questions
Problem 4.4CP
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Create ERD for the given case study using Crows Feet Notation.

A real estate firm lists property for sale. It has a number of sales offices in several states. Each office is described by the unique office number, an address, and number of agents at the location. Each sales office is assigned one or more employees. All employees have unique Employee ID, and EmployeeName. An employee must be assigned to only one sales office. There is always one employee assigned to manage each sales office. An employee may manage only the sales office to which he/she was assigned and an office must always have one manager. The firm lists properties for sale. Information for property include Property ID (identifier) and Location. Components: of Location include Address, City, State, and ZipCode. In addition, we want to keep track of the selling price of the property and the year it was constructed. Each unit of property must be listed with one and only one of the sales offices and one and only one agent in the company. A sales office may have any number of properties listed, or may have no properties listed. Each unit of property has one or more owners.. All owners have Owner ID for identification and Name. An owner may own one or more units of property. An attribute of the relationship between property and owner is PercentOwned.
Transcribed Image Text:A real estate firm lists property for sale. It has a number of sales offices in several states. Each office is described by the unique office number, an address, and number of agents at the location. Each sales office is assigned one or more employees. All employees have unique Employee ID, and EmployeeName. An employee must be assigned to only one sales office. There is always one employee assigned to manage each sales office. An employee may manage only the sales office to which he/she was assigned and an office must always have one manager. The firm lists properties for sale. Information for property include Property ID (identifier) and Location. Components: of Location include Address, City, State, and ZipCode. In addition, we want to keep track of the selling price of the property and the year it was constructed. Each unit of property must be listed with one and only one of the sales offices and one and only one agent in the company. A sales office may have any number of properties listed, or may have no properties listed. Each unit of property has one or more owners.. All owners have Owner ID for identification and Name. An owner may own one or more units of property. An attribute of the relationship between property and owner is PercentOwned.
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