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Task 59:

States with Customers but No Deliveries

SQL Server 2022
The logistics team looks for regions where the company has customers but has never shipped an order. Customer offices are the addresses of CustomerAddress with AddressType = Main Office; orders are shipped to SalesOrderHeader.ShipToAddressID. Both point to the Address table.
Find the pairs CountryRegion, StateProvince that have customer offices but no shipping addresses of orders. Output these two columns, sorted by CountryRegion, then by StateProvince.
Expected result Columns: 2 · Rows: 19
CountryRegion StateProvince

Sample rows open after wrong checks: 0 of 2

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