FIT328_DBS_Tutorial_07 - FIT328 Database Systems | Spring...

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FIT328 Database Systems | Spring 2016 1 Faculty of Information Technology Hanoi University | Thu-Trang Luyen | [email protected] DBS Tutorial Week 7 Exercise 1 1. Given this sample data: table: order order_id customer_name order_amount payment_method payment_status 1 Alex Ferguson 349.00 credit paid 2 Mark Ryan 34.99 cash pending 3 James Stewart 146.02 cash paid 4 Martin Gardner 22.57 credit paid 5 Stephen King 139.99 credit pending a. Write the SQL statement to display all orders with payment method is cash and still pending, then sort the result by order amount in descending order. b. Write the SQL statement to display all orders with order amount smaller or equal to £50, then sort the result by order amount in descending order and customer name in ascending order. c. Write the SQL statement to change the payment status of all orders with payment method by cash to paid. d. Write the SQL statement to delete all orders with payment status is paid and order amount less than £100.
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