Question

Write a SELECT statement that returns one row for each customer that has orders with these columns: The email_address from the Customers table
A count of the number of orders

The total amount for each order

(Hint: First, subtract the discount amount from the price. Then, multiply by the quantity.) Return only those rows where the customer has more than 1 order. Sort the result set in descending sequence by the total amount . Hint: You will join three tables together. Returns 3rows of data.

Questions done up until #4: https://pastebin.com/LwSKknPi

all questions before and after:

Write a SELECT statement that returns these columns:

The count of the number of orders in the Orders table

The sum of the tax_amount columns in the Orders table

Returns 1 row of data.

Write a SELECT statement that returns one row for each category that has products with these columns:

The category_name column from the Categories table

The count of the products in the Products table

The list price of the most expensive product in the Products table

Sort the result set so the category with the most products appears first.

Hint: You will join two tables together. Returns 3 rows of data.

Write a SELECT statement that returns one row for each customer that has orders with these columns:

The email_address column from the Customers table

The sum of the item price in the Order_Items table multiplied by the quantity in the Order_Items table

The sum of the discount amount column in the Order_Items table multiplied by the quantity in the Order_Items table

Sort the result set in descending sequence by the item price total for each customer.

Hint: You will join three tables together. Returns 7 rows of data.

Modify the solution to exercise 4 so it only counts and totals line items that have an item_price value that’s greater than 400. Returns 2 rows of data.

Write a SELECT statement that answers this question: What is the total amount ordered for each product? Return these columns:

The product name from the Products table

The total amount for each product in the Order_Items (Hint: You can calculate the total amount by subtracting the discount amount from the item price and then multiplying it by the quantity)

Use the WITH ROLLUP operator to include a row that gives the grand total.

Hint: You will join two tables together. Returns 10 rows of data.

Write a SELECT statement that answers this question: Which customers have ordered more than one product? Return these columns:

The email address from the Customers table

The count of distinct products from the customer’s orders

Hint: You will join three tables together. . Returns 3 rows of

Answer 1

Answer:

Please find the attachment files of the queries:

Explanation:

In the all queries the select statement is used that selects the defined columns and use the function like sum, join, orderby, and groupby to perform the various operations, in which the sum is used to add columns or rows values, join is used for joining two or more tables, and orderby is used for return the table into ascending or descending order, and groupby is used for the count the value, calculate average and perform other operation and gives its return value.