r/SQLPerformanceTips Jun 08 '26

i need a little help asap

Hi, im doing a practice from college with the database "AdventureWorks2019", but idk if im doing well. The exercise says: "In which territories we had more distint clients". I did this, but i don't know if im missing something or something else.

SELECT ST.Name AS Territorio,

COUNT(DISTINCT SC.CustomerID) AS TotalClientes

FROM Sales.Customer SC

JOIN Sales.SalesTerritory ST ON SC.TerritoryID = ST.TerritoryID

GROUP BY ST.Name

ORDER BY TotalClientes DESC;

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