1. Please draw and submit an ERD that satisfies the following description • 3 entities: a. Apartment building: (id, address, name) b. Apartment (apartment number, number_of_bedrooms, number_of_bathrooms) [weak entity] c. Tenant (person_name) • 2 relationships a. Contained_in: Identifying relationship between apartment and apartment building. Each apartment building must have at least one apartment and can have many. Each apartment must be in one and only apartment building b. Leased: relationship between tenant and apartment. Has the following attribute; Date_rented. Each apartment can be rented by many tenants. Each tenant can have many apartments. Make sure you do the minimum cardinalities too (make them reasonable and explain them to me in text).
1. Please draw and submit an ERD that satisfies the following description • 3 entities: a. Apartment building: (id, address, name) b. Apartment (apartment number, number_of_bedrooms, number_of_bathrooms) [weak entity] c. Tenant (person_name) • 2 relationships a. Contained_in: Identifying relationship between apartment and apartment building. Each apartment building must have at least one apartment and can have many. Each apartment must be in one and only apartment building b. Leased: relationship between tenant and apartment. Has the following attribute; Date_rented. Each apartment can be rented by many tenants. Each tenant can have many apartments. Make sure you do the minimum cardinalities too (make them reasonable and explain them to me in text).
Chapter1: Overview Of Database Concepts
Section: Chapter Questions
Problem 5MC
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So Ill do the best I can to explain my question. I have a HW assignment and basically need to create a "crows foot erd" using the provided instructions my teacher gave. I need help putting the finishing touches on my erd. In the 1st screenshot, youll see my current erd and in the 2nd, youll see the instructions. Can someone help me finish my diagram?
(I need help putting in the right data types AND putting in the correct cardinality symbols on my relationship lines)
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