adding practice questions

practice_questions_wk2.sql

@@ -0,0 +1,43 @@
+--Practice Questions Week 2 (Answers posted before week 3)
+
+--1. Write a query to get Product name and quantity per unit.
+
+
+
+--2. Write a query to get current Product list (Product ID and name).
+
+
+
+--3. Write a query to get discontinued Product list (Product ID and name).
+
+
+
+--4. Write a query to get most expense and least expensive Product list (name and unit price).
+
+
+
+
+--5. Write a query to get Product list (id, name, unit price) where current products cost less than $20.
+
+
+
+
+--6. Write a query to get Product list (id, name, unit price) where products cost between $15 and $25.
+
+
+
+
+--7. Write a query to get Product list (name, unit price) of above average price.
+
+
+
+--8. Write a query to get Product list (name, unit price) of ten most expensive products.
+
+
+
+--9. Write a query to count current and discontinued products.
+
+
+
+--10. Write a query to get Product list (name, units on order , units in stock) of stock is less than the quantity on order.
+