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2009-12-03 aa 20 10
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SQL code:
select a.*,isnull(b.ÊýÁ¿,0) ÊýÁ¿
from Èë²Ö±í a
left join Èë²Ö±í
on a.»õÆ·=b.»õÆ· and a.ÈÕÆÚ=b.ÈÕÆÚ
SQL code:
select a.*,isnull(b.ÊýÁ¿,0) ÊýÁ¿
from Èë²Ö±í a
left join Èë²Ö±í b
on a.»õÆ·=b.»õÆ· and a.ÈÕÆÚ=b.ÈÕÆÚ
SQL code:
select
a.ÈÕÆÚ,a.»õÆ·,isnull(a.ÊýÁ¿,0) as Èë²ÖÊýÁ¿, isnull(b.ÊýÁ¿,0) as ³ö²ÖÊýÁ¿
from
Èë²Ö±í a
left join
³ö²Ö±í b
on
a.ÈÕÆÚ=b.ÈÕÆÚ
SQL code
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