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August 12, 2021

QUIZ? Please review provided ERD for Sales in?****database.? Only Assumptions?: Total order quantity?is:?sum

computer science

QUIZ

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 :

select sum(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

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