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Appropriate cardinalities and all the applicable constraints

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Reference no: EM132329295

Draw an E-R diagram for the given description. Show appropriate cardinalities and all the applicable constraints. Clearly state any assumptions that you may have made. Your assumptions cannot contradict the given description.

A fiberglass manufacturer, Floating Fiber Inc. (FFI), specializes in manufacturing boats. The company has only two types of customers, retail and wholesale. For retail customers, FFI wants to store name (identifier), address and cost of the previous boat(s) owned. For wholesale customers, FFI wants to store name (identifier), address and Tax ID Number. There are three kinds of boats that the company makes: sailboats, rowboats and fishing boats. For all different types of boats that FFI manufactures, it wants to store ID (identifier) and the size of the boat (which is composed of the length and the maximum capacity). Customers can place orders for boats. A customer can purchase one or many boats and each boat is purchased by exactly one customer

Reference no: EM132329295

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