, 02 2014 . 12:18
+
.
( ) , : , , . , . , , SQL-:
SELECT ., ., Sum(.) AS [Sum-]
FROM
GROUP BY ., .
UNION
SELECT ., ., Sum(.) AS [Sum-]
FROM ( INNER JOIN ON . = .) INNER JOIN ON . = .
GROUP BY ., .
UNION SELECT ., ., Sum(.) AS [Sum-]
FROM ( INNER JOIN ON . = .) INNER JOIN ON . = .
GROUP BY ., .;
.
, .
http://www.sql.ru/forum/1074927/zapros-na-obedinenie-iz-neskolkih-tablic