Update questions(my answers).sql

SQL Deep Dive/Joins/Inner Join/questions.sql

@@ -5,6 +5,10 @@
 * Question: Get all orders from customers who live in Ohio (OH), New York (NY) or Oregon (OR) state
 * ordered by orderid
 */
+select  orderid, customerid, state
+From orders 
+Inner JOIN customers using(customerid)
+where state = 'NY' or state = 'OH' or state = 'OR'
 
 
 
@@ -13,13 +17,19 @@
 * Table: products
 * Question: Show me the inventory for each product
 */
-
+SELECT p.prod_id, e.quan_in_stock
+FROM products as p
+inner join inventory as e On e.prod_id = p.prod_id
 
 /*
 * DB: Employees
 * Table: employees
 * Question: Show me for each employee which department they work in
 */
+SELECT e.emp_no, d.dept_no
+FROM employees AS e
+INNER JOIN dept_emp AS de ON e.emp_no = de.emp_no
+INNER JOIN departments AS d ON de.dept_no = d.dept_no;