Assignment 3 & 4 Niharika - 1 BAN520-T202 Enterprise Data...

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1BAN520-T202 Enterprise Data and Info Mgt (2163-1)22. Prepare an ERD for a real estate firm that lists property forsale. Also prepare a definition for each entity type, attribute, and relationship on your diagram. In addition, draw a data model for this sih1ation using the tool you have beentold to use in your course. The following describes this organization:• The firm has a number of sales offices in several states. Attributes of sales office include Office Number (identifier) and Location.• Each sales office is assigned one or more employees. Attributes of employee include Employee 10 (identifier) and Employee Name. An employee must be assigned toonly one sales office.• For each sales office, there is always one employee assigned to manage that office. An employee may manage only the sales office to which he or she is assigned.
2BAN520-T202 Enterprise Data and Info Mgt (2163-1)• The firm lists property for sale. Attributes of property include Property lD (identifier) and Location. Components of Location include Address, City, State, and Zip Code.• Each unit of property must be listed with one (and only one) of the sales offices. A sales office may have any number of properties listed or may have no propertieslisted.• Each unit of property has one or more owners. Attributes of owners are Owner ID (identifier) and Owner Name. An owner may own one or more units of property. An attribute of the relationship between property and over'sPercent Owned.ER Notation:
3BAN520-T202 Enterprise Data and Info Mgt (2163-1)Real Estate Firm ERD28. Wally Los Gatos, owner of Wally's Wonderful World of Wall coverings, has hired you asa consultant to design a database management system for his chain of three stores that sells wallpaper and accessories. He would like to track sales, customers, and employees. After aninitial meeting with Wally, you have developed a list of business and specifications to begin the design of an E-R model:

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