diff --git a/part1.sql b/part1.sql new file mode 100644 index 0000000..76aee15 --- /dev/null +++ b/part1.sql @@ -0,0 +1,8 @@ +-- Write a query to display each customer’s name (as`Customer Name`) alongside the name of the employee who is responsible for that customer’s orders. +-- * The employee name should be in a single `Sales Rep` column formatted as `lastName, firstName`. The output should be sorted alphabetically by customer name. + +SELECT customers.customerName AS 'Customer Name', +concat(employees.lastName,' ', employees.firstName) AS 'Sales Rep' +FROM customers, employees +WHERE customers.salesRepEmployeeNumber = employees.employeeNumber +ORDER BY customerName ASC; \ No newline at end of file diff --git a/part2.sql b/part2.sql new file mode 100644 index 0000000..74bb974 --- /dev/null +++ b/part2.sql @@ -0,0 +1,12 @@ +-- * Determine which products are most popular with our customers. +-- * For each product, list the total quantity ordered along with the total sale generated (total quantity ordered * priceEach) for that product. +-- * The column headers should be `Product Name`, `Total # Ordered` and `Total Sale`. +-- * List the products by `Total Sale` descending. + + +SELECT productName AS 'Product Name', +orderdetails.quantityOrdered AS 'Total # Orders', (orderdetails.quantityOrdered * orderdetails.priceEach) AS 'Total Sale' +FROM products, orderdetails +ORDER BY (orderdetails.quantityOrdered * orderdetails.priceEach) desc; + + diff --git a/part3.sql b/part3.sql new file mode 100644 index 0000000..8402cde --- /dev/null +++ b/part3.sql @@ -0,0 +1,8 @@ +-- * Write a query which lists order status and the # of orders with that status. +-- * Column headers should be `Order Status` and `# Orders`. +-- * Sort alphabetically by `status`. + + +SELECT quantityOrdered AS '# Orders', STATUS AS 'Orders Status' + from orderdetails, orders + ORDER BY STATUS asc; \ No newline at end of file diff --git a/part4.sql b/part4.sql new file mode 100644 index 0000000..a011cdb --- /dev/null +++ b/part4.sql @@ -0,0 +1,9 @@ + +-- * Write a query to list, for each product line, the total # of products sold from that product line. +-- * The first column should be `Product Line` and the second should be `# Sold`. +-- * Order by the second column descending. + + +SELECT productLine AS 'Product Line', quantityOrdered AS '# Sold' FROM products, orderdetails +WHERE products.productCode = orderdetails.productCode +ORDER BY quantityOrdered desc; \ No newline at end of file diff --git a/part5.sql b/part5.sql new file mode 100644 index 0000000..718e8cc --- /dev/null +++ b/part5.sql @@ -0,0 +1,12 @@ +-- * For each employee who represents customers, output the total # of orders that employee’s customers have placed alongside the total sale amount of those orders. +-- * The employee name should be output as a single column named `Sales Rep` formatted as `lastName, firstName`. +-- * The second column should be titled `# Orders` and the third should be `Total Sales`. +-- * Sort the output by `Total Sales` descending. +-- * Only (and all) employees with the job title `Sales Rep` should be included in the output, and if the employee made no sales the `Total Sales` should display as `0.00`. + + +SELECT concat(employees.lastName, ' ', employees.firstName) AS 'Sales Rep', orderdetails.quantityOrdered AS '# Order', payments.amount AS 'Total Sales' +FROM employees, orderdetails, payments, customers, orders +WHERE customers.salesRepEmployeeNumber = employees.employeeNumber AND customers.customerNumber = payments.customerNumber AND +orderdetails.orderNumber = orders.orderNumber ORDER BY payments.amount desc; + diff --git a/part6.sql b/part6.sql new file mode 100644 index 0000000..0cd2ec5 --- /dev/null +++ b/part6.sql @@ -0,0 +1,10 @@ + +-- * Your product team is requesting data to help them create a bar-chart of monthly sales since the company’s inception. +-- * Write a query to output the month (January, February, etc.), 4-digit year, and total sales for that month. +-- * The first column should be labeled `Month`, the second `Year`, and the third should be `Payments Received`. +-- * Values in the third column should be formatted as numbers with two decimals – for example: `694,292.68`. + + +SELECT YEAR(paymentDate) AS Year, MONTH(paymentDate) AS Month, SUM(amount) AS 'Payment Received' +FROM payments +GROUP BY YEAR(paymentDate), MONTH(paymentDate); \ No newline at end of file