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SQL Pivot º¯Êý

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SQL code:
select COUNT(id) as cnt,(CAST(a.sid as nvarchar)+'-'+CAST(a.layer as nvarchar)) as SidLayer
from Score a
where a.eid=5
group by [sid],layer order by SidLayer


µÃµ½½á¹û¼¯

cnt SidLayer
708 2-1
295 2-2
513 3-1
72 3-2
472 5-1
166 5-2

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SQL code:
select * from tb a pivot (max(cnt) for SidLayer in ([2-1],[2-2],[3-1],[3-2],[5-1],[5-2])) b



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