Hoosier Burger Case Exercises Solutions

Hoosier Burger Case Exercises Solutions a.Based on the information provided in the nerve scenario, what entities throw in the towel Hoosier Burger need to store information nearly? As illustrated in Figure 710, Hoosier Burger currently stores information about its sales, level sales, products, recipes, inventory items, invoice items, and invoices. The new delivery musical battle array get out require information about charges, delivery customers, and axial rotation histories. b.For the entities identified in part a, identify a particularize of attributes for separately entity. A suggested answer is provided below. SALE(ReceiptNumber, SaleDate, Delivery) ITEMSALE(ProductID, ReceiptNumber, QuanitySold) PRODUCT(ProductID, ProductDescription) RECIPE(ItemNumber, ProductID, QuantityUsed) INVENTORYITEM(ItemNumber, ItemDescription, QuantityinStock, TypeofItem, MinimumOrderQuantity) INVOICE_ITEM(ItemNumber, VendorID, InvoiceNo, QuantityAdded) INVOICE(VendorI D, InvoiceNo, InvoiceDate, Paid?) CHARGE(ReceiptNumber, CustomerID, Amount, Date) CUSTOMER(CustomerID, BillingAddress, DeliveryAddress, Ph aneNumber, FaxNumber) ORDER_HISTORY(CustomerID, ReceiptNumber) c.Specify an identifier for for distributively one entity. What rules did you apply when selecting the identifier? The identifiers are noned in the previous answer.

quaternary rules were mentioned in the chapter; these include: (1) choosing a candidate key that will not change its value over the life of separately instance of the entity type; (2) choosing a candidate key such(prenominal) that, for ea ch instance of the entity, the attribute is ! guaranteed to have valid determine and not be null; (3) avoiding the use of intelligent keys; and (4) considering the commuting of single-attribute substitution keys for larger composite keys. d.Modify Figure 710 to confer the addition of these new entities. Be sealed to specify the cardinalities for each relationship. A suggested answer is provided below. Microsoft Visio was used to make grow the E-R diagram.If you regard to get a full essay, order it on our website: OrderCustomPaper.com

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