use db_student
select * from sp pivot(sum(销售数量) for 商品名称 in ([李专辑],[张专辑]))) as 统计

select 商品名称,a.[9] as [九月],a.[10] as [十月],a.[11] as [十一月],a.[12] as [十二月] from sp pivot(sum(销售数量) for 月份 in([9],[10],[11],[12])) as a

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