[AccessD] Query to find records from lookup table NOT inanother table

Stuart McLachlan stuart at lexacorp.com.pg
Fri Jan 14 17:42:23 CST 2011


Yep that's neater.  Very elegant.

-- 
Stuart

On 15 Jan 2011 at 0:03, Asger Blond wrote:

> Excellent solution Stuart! Using an aliased subquery it might be
> compressed to a single query like this:
> 
> SELECT AllSiteCodes.Site, AllSiteCodes.LCode
> FROM (SELECT DISTINCT tblSites.Site, tblLookup.LCode
> FROM tblSites, tblLookup) AS AllSiteCodes LEFT JOIN tblSites ON
> AllSiteCodes.Site=tblSites.Site AND AllSiteCodes.LCode=tblSites.LCode
> WHERE tblSites.Site Is Null
> 
> Asger
> 




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