Je recommande la requête suivante:
SELECT [Permissive Export_OLD 1].ACCOUNTNO, [Permissive Export_OLD 1].KEYNO, [Permissive Export_OLD 1].NAME1, [Permissive Export_OLD 1].NAME2, [Permissive Export_OLD 1].ADDRESS1, [Permissive Export_OLD 1].ADDRESS2, [Permissive Export_OLD 1].CITY, [Permissive Export_OLD 1].STATE, [Permissive Export_OLD 1].ZIPCODE
FROM [Permissive Export_OLD 1], [Permissive Export_OLD 1] AS [Permissive Export_OLD 1_1]
WHERE ((([Permissive Export_OLD 1].ADDRESS2)=[Permissive Export_OLD 1_1].[ADDRESS2]) AND (([Permissive Export_OLD 1].ZIPCODE)<>[Permissive Export_OLD 1_1].[ZIPCODE]))
GROUP BY [Permissive Export_OLD 1].ACCOUNTNO, [Permissive Export_OLD 1].KEYNO, [Permissive Export_OLD 1].NAME1, [Permissive Export_OLD 1].NAME2, [Permissive Export_OLD 1].ADDRESS1, [Permissive Export_OLD 1].ADDRESS2, [Permissive Export_OLD 1].CITY, [Permissive Export_OLD 1].STATE, [Permissive Export_OLD 1].ZIPCODE;
Cette requête compare chaque ligne dans le tableau à toutes les autres lignes du tableau pour trouver Adresse2 = Address2 mais Zipcode <> Zipcode. La requête renverra tous les enregistrements qui correspondent à ces critères en tant que lignes distinctes.