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        代寫QHE5701、SQL編程語言代做
        代寫QHE5701、SQL編程語言代做

        時間:2024-12-03  來源:合肥網hfw.cc  作者:hfw.cc 我要糾錯



        QHE5701 – Database Systems 2024 
        Lab – 5 1 
        Lab 5: Designing Database and Generating sample data (using data generator tool) 
        In this lab you’ll use MySQL to design and implement a database from user requirement. 
         
        Database Specification Details: 
        In a company that manages a big chain of doughnut-selling shops, there is a need to 
        create a database for the data accumulated through the last years. Consider that the data 
        you have available is: 
        • List of menus which can be regular or seasonal (for example Christmas menu), 
        they have a name and start and end date in case of a seasonal menu. Additionally, 
        we also have a specific colour palette they must follow used by each menu. 
         
        • List of products available for each menu we know names, prices, calories, sugar 
        content, protein, and salt. 
         
        • For the same sales, we know the buyer if they have scanned their loyalty app. A 
        buyer has some data saved like first name, last name, gender, age and occupation. 
         
        • Employees can have diTerent contracts (full-time, part-time) with additional total 
        working hours (overtime). We also account for the years of experience of every one 
        of them. 
         
        • The branch is a location of our company that has an address and a size. Size is an 
        index that describes how big is the branch. 
         
        • List of ingredients used for every product (name, country of origin, units 
        purchased, price, name of the supplier) 
         
        • Each sale must be stored with the exact time and date of sale and price. 
         
        NOTE: Assume that size is a parameter denoting roughly the cost of running that branch. 
         
        Task: 
        Design a database for this problem, which involves: 
        i) Create an ER model for this problem 
        ii) Perform the mapping to the logical model QHE5701 – Database Systems 2024 
        Lab – 5 2 
        iii) Produce the SQL code for the database 
        iv) Create sample data for your database (to make it easier use a generator 
        like: https://extendsclass.com/csv-generator.html ) 
         
        Lab Submission Guidelines: 
        Complete the task in Lab-5 as this will also be used in next lab. Details on Week-3 
        submission will be provided with Lab-6 description. 

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