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  1. #1
    Join Date
    Dec 2015
    Posts
    1

    Unanswered: Urgent, Please help in SQL Queries

    Scenario: The database “Cellphones Information” contains details on cell phone sales or transactions.

    Details stored are: Dim_Manufacturer, Dim_Model, Dim_Customer, Dim_Location and Fact_Transactions. The first four store entries for the respective elements and Fact_Transactions stores all the information about sales of specific cellphones.


    Table Structure : Please find the file attached.

    Need queries for following:

    1. What state in the US is buying more 'Samsung' cell phones? Display state and number of cell phone transactions, sort by state.

    Keep in mind that some manufacturers can be stored in this format: “Name of Manufacturer - Country Code” (e.g. Samsung – Chile, Samsung – Peru, Motorola – Brazil). Also, some of them can be stored in uppercase or lowercase.

    2. Show the number of transactions for each model per zip code per state. Display manufacturer, model name, state and zip code, even if there are no transactions for a model. Sort by manufacturer name.

    3. Find out the average price for each model in the top 5 manufacturers in terms of sales quantity, and order by average price;

    4. List if there is any model that was in the top 5 in terms of quantity, simultaneously in 2008, 2009 and 2010;

    5. List the names of the customers and the average amount spent in 2009, where the average is higher than 500.00;

    6. List all the states in which we have customers who have bought cellphones from 2005 till today;

    7. Show the manufacturers that sold cell phones in 2010 but didn’t in 2009.

    It is urgent, I am very thankful if you respond immediately with your answers.

    Thanks a lot!
    Akriti.
    Attached Thumbnails Attached Thumbnails object structure.jpg  

  2. #2
    Join Date
    Dec 2007
    Location
    Richmond, VA
    Posts
    1,328
    Provided Answers: 5
    How about you come up with specific questions on your home work that you are having difficulty with and we will see if we can point you in the right direction. Also, this is Oracle specific forum where you are asking design questions, while most DBA staff would be able to help you easily, you might want to refer your specific queries to the design forum
    Dave

  3. #3
    Join Date
    Jun 2004
    Posts
    796
    Provided Answers: 1
    It is urgent, I am very thankful if you respond immediately with your answers
    Translated - "My homework assignment is due in tomorrow & I haven't started it yet!"
    90% of users' problems can be resolved by punching them - the other 10% by switching off their PCs.

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