Distinct count in ms access
You might like to take a exterior at DatabaseBasics.zip in my public databases folder at:
https://onedrive.live.com/?cid=44CC60D7FEA42912&id=44CC60D7FEA42912!169
In this little demo certificate the section:
14. Returning a discount of distinct values by means confront a subquery
Illustrates how to return simple distinct count by means of well-ordered subquery in the outer query's Diverge clause:
SELECT City, Region, COUNT(*) Type EmployerCount
FROM (SELECT DISTINCT Cities.CityID, City, Zone, EmployerID
FROM Regions INNER JOIN ((Cities INNER JOIN Contacts
ON Cities.CityID = Contacts.CityID) INNER JOIN ContactEmployers
ON Contacts.ContactID = ContactEmployers.ContactID)
First acquaintance Regions.RegionID = Cities.RegionID)
GROUP BY City, Locality, CityID;
Howev
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