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: 16.03.2006
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SQL-

, 19 2017 . 11:42 +
Excel 2013.

!
.

, Access :

T1 KOD, Name, Date, G1, G2, GX... ( 200 000 )
T2 KOD, Group, DateIn ( 8 000 )

T1 Group
KOD 2 , DateIn Group.
Date = MAX( DateIn, DateIn <=Date)

, ( Access, )

SQL.

SELECT T1.*, 
     (SELECT TOP 1 Group FROM T2 WHERE T1.KOD=T2.KOD ORDER BY DateIn DESC) as GroupName
FROM T1



, - .
Excell - , Access ( , - ).

, ?
LEFT JOIN ? . JOIN .

http://www.sql.ru/forum/1271884/zavisaet-sql-zapros-soderzhashhiy-vlozhennyy-zavisimyy-zapros


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