Please review provided ERD for Sales in ****database.
Only Assumptions :
Total order quantity is: sum(quantityOrdered ) as Qty,
TotalAmount is: sum(priceEach*quantityOrdered) as total
construct SQL statement joining all necessary tables, RUN it and choose correct result.
EXAMPLE of possible sql to find TotalAmount for officeCode = 1 :
(od.priceEach * od.quantityOrdered) as total , of.officeCode
from yhelen.orders o join yhelen.orderdetails od on o.orderNumber = od.orderNumber
join yhelen.products p on p.productCode = od.productCode join
yhelen.customers c on c.customerNumber = o.customerNumber join
yhelen.employees e on e.employeeNumber = c.salesRepEmployeeNumber join
yhelen.offices of on of.officeCode = e.officeCode
group by 2