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Feb 23rd, 2018
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  1. /* zadanie 5 */
  2.  
  3. -- ilość wykonanych transakcji w poszczególnych latach
  4. select count(SalesOrderID) as sprzedane, zamówione, YEAR(OrderDate) as rok
  5. from AdventureWorks2014.Sales.SalesOrderHeader,
  6. (select count(PurchaseOrderID) as zamówione,
  7. YEAR(OrderDate) as rok
  8. from AdventureWorks2014.Purchasing.PurchaseOrderHeader
  9. group by YEAR(OrderDate)
  10. ) as query1
  11. group by YEAR(OrderDate), rok, zamówione
  12. having YEAR(OrderDate) = rok
  13. order by YEAR(OrderDate) asc;
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