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: 16.03.2006
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SQL MS Access 2010-2013 -

, 23 2017 . 14:55 +
. - . .
(, , ), (, , , , ), (, , , , , ). -, -.
:
SELECT DISTINCT TOP 3 ., ., Sum(.) AS 
FROM  INNER JOIN ( INNER JOIN  ON . = .) ON . = .
GROUP BY ., .
ORDER BY Sum(.) DESC;

3, . , . , , ?

P.S. , , + ?

http://www.sql.ru/forum/1274884/konstruktor-sql-ms-access-2010-2013-uslovie-otbora-unikalnost


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