What is the effect of this order_by clause?
- by bread
I don't understand what this order_by clause is doing and whether I need it or not:
select c.customerid, c.firstname, c.lastname, i.order_date, i.item, i.price from
items_ordered i, customers c
where i.customerid = c.customerid
group by c.customerid, i.item, i.order_date
order by i.order_date desc;
This produces this data:
10330 Shawn …
