Question

For the schema below, I need to get this report

This is what I have

select c.name, sr.name, count(o.order_id)
from contact c 
INNER JOIN accounts a
ON c.account_id=a.account_id
INNER JOIN sales_reps sr 
ON a.sales_rep_id =sr.sales_rep_id
INNER JOIN orders o
ON a.account_id =o.account_id
where o.order_id in (
    select SUM(oi.quantity*p.price) from 
    order_items oi INNER JOIN parts p
    on oi.part_id =p.part_id
)
group by a.account_id, c.name

But this does not give any results.

Please help.

Answer 1

Your where condition is not right, how should be a order_id equal a sum?

Try the below:

select 
    c.name, sr.name, COUNT(o.order_id), SUM(op.order_total)
FROM 
    contact c 
INNER JOIN 
    accounts a ON c.account_id = a.account_id
INNER JOIN 
    sales_reps sr ON a.sales_rep_id = sr.sales_rep_id
INNER JOIN 
    orders o ON a.account_id = o.account_id
INNER JOIN 
  (SELECT 
      oi.order_id, SUM(oi.quantity * p.price) AS order_total
  FROM 
      order_items oi 
  INNER JOIN 
      parts p ON oi.part_id = p.part_id 
  GROUP BY 
      oi.order_id
  ) op ON o.order_id = op.order_id
WHERE o.delivery_data >= CURDATE()
GROUP by c.contact_id