Good Practice DMHolland

Tobesubmitted/Part1.sql

@@ -0,0 +1,3 @@
+SELECT c.customerName AS 'Customer Name',CONCAT(e.lastName, e.firstName) AS 'Sales Rep'
+FROM employees e JOIN customers c ON e.employeeNumber = c.salesRepEmployeeNumber
+ORDER BY 'Customer Name';

Tobesubmitted/Part2.sql

@@ -0,0 +1,3 @@
+SELECT p.productName,ore.quantityOrdered AS 'Total # Ordered',(ore.priceEach*ore.quantityOrdered) AS 'Total Sale'
+FROM products p JOIN orderdetails ore ON p.productCode = ore.productCode
+ORDER BY 'Total Sale' DESC;

Tobesubmitted/Part3.sql

@@ -0,0 +1,4 @@
+SELECT ore.status, count(ory.orderNumber)
+FROM orders AS ore JOIN orders AS ory ON ore.orderNumber = ory.ordernumber
+GROUP BY ore.status
+ORDER BY ore.status;

Tobesubmitted/Part4.sql

@@ -0,0 +1,4 @@
+SELECT p.productLine,COUNT(ore.orderNumber) AS '# SOLD'
+FROM products p JOIN orderdetails ore
+GROUP BY productLine
+ORDER BY '# SOLD'

Tobesubmitted/Part5.sql

@@ -0,0 +1,9 @@
+SELECT CONCAT(CONCAT(e.lastName," "),e.firstName) AS Sales_REP, 
+        COUNT(ore.orderNumber) AS _Orders,
+         (ored.quantityOrdered*ored.priceEach) AS Total_Sales 
+FROM employees e 
+ LEFT JOIN customers AS c ON e.employeeNumber = c.salesRepEmployeeNumber
+ LEFT JOIN orders AS ore ON c.customerNumber = ore.customerNumber
+ LEFT JOIN orderdetails AS ored ON ore.orderNumber = ored.orderNumber
+ GROUP BY Sales_REP
+ ORDER BY Total_Sales ASC;

Tobesubmitted/Part6.sql

@@ -0,0 +1,6 @@
+SELECT MONTH(o.orderDate) AS _Month,YEAR(o.orderDate) AS _Year, FORMAT(p.amount,2) AS Payments_Recieved
+FROM orders o JOIN customers c ON c.customerNumber = o.customerNumber
+JOIN payments p ON c.customerNumber = p.customerNumber
+GROUP BY _Year, _Month
+ORDER BY _Year,_Month;
+