ScholarMatic: Explanation & Answer
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Using your study of chapter 8 of Modern systems analysis and design and class lecture, solve the following problem.
In a real estate database, there is an entity called PROPERTY, which is a property for sale by the agency. Each time a potential property buyer makes a purchase offer on a property, the agency records the date, offering price, and name of the person making the offer.
Represent the PROPERTY entity and its purchase offer attributes using the notation for multivalued attributes.
Represent the PROPERTY entity and its purchase offer attributes using two entity types.
Assume the agency decides to also keep data about buy-ers and potential buyers, including their name, phone number, and address. Buyers often have multiple phone numbers and addresses, which are not necessarily related to each other. Augment your answer to Problem and Exercise 8.62b (located at the end of chapter 8) to accommodate this new entity type.
Finally, assume that, for each purchase offer, we need to know which buyer phone number and address to associate with that offer. Augment your answer to Problem and Exercise 8.62c to accommodate this new requirement
Valacich, J. S., & George, J. F. (2019). Modern systems analysis and design (9th ed.). Pearson. Print ISBN: 978-0135172759 eText ISBN: 978-0135172841
ScholarMatic: Explanation & Answer
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