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Posted: November 30th, 2021
Case study develop e.r diagram
Case Study
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Auto-Parts Warehouse
Auto-Parts Warehouse is a small auto parts supplier with locations in several Midwestern metro areas. The business is based on the idea of discount prices for auto parts that are always in stock or can be delivered within hours. The owners have decided to computerize their operations to allow them to better track their business and manage their inventories for just in time deliveries for sales. Data to be gathered for each customer sale includes invoice number, date, parts number, cost, retail price. Customer data is collected that includes basic contact information and vehicles owned, which includes vehicle make and model. For parts that have to be delivered to the store to fulfil a customer purchase, a transfer request is created. Data associated with these transfers include tracking number, invoice number, date, parts number, origination location (store or warehouse) number, destination store number.
Tasks 1:
Based on your understanding of the case study, identify the main entities and then develop E.R. diagram for Auto-Parts Warehouse. Within the E.R. diagram you need to show the types of relationship cardinality between the entities. (40 Point)
Tasks 2:
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There are different types of attributes, explain in details all these types? In Task 1 you developed E.R. diagram for Auto-Parts Warehouse, from that E.R. diagram you need to give two examples related to each attribute type. (30 Point)
Tasks 3:
From the E. R. diagram that you already developed in Task 1, identify if there are any possible weak entities, explain why? (15 points)
Tasks 4:
From the E. R. diagram that you already developed in Task 1, identify if there are any possible associative entities, explain why? (15 points)
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