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Name
A
B
C
D
E
ÈÕÆÚ±í£º
Date
2010-1-1
2010-1-2
2010-1-3
2010-1-4
2010-1-5
³ö»õÃ÷ϸ±í£º
Name Date Qty
A 2010-1-1 20
B 2010-1-2 100
A 2010-1-3 50
×îÖÕÒªÇóЧ¹û£º
Name 2010-1-1 2010-1-2 2010-1-3 2010-1-4 2010-1-5
A 20 50
B 100
C
D
E
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transform sum(newty)
select name from (
SELECT a.date,b.name,iif(a.date=b.date,qty,0) as newty from ³ö»õÃ÷ϸ±í b, ÈÕÆÚ±í a
order by name,a.date) group by name
pivot date
SQL code:
TRANSFORM Sum(Qty)
SELECT [Name]
from (
select [Name],[Date],Qty
from ³ö»õÃ÷ϸ±í
union all
select 'A',[Date],null
from ÈÕÆÚ±í
) t
GROUP BY [Name]
PIVOT [Date];
date Êǹؼü×Ö£¬Ò»°ãÇé¿öÏÂÇëÎð¼¿Á©±£Áô×ÖΪ×ֶΡ¢±íÃû¡£
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