业务需求:根据不同条件查询统计出总价钱:
select SUM(case when status=0 then price else 0 end) A, SUM(case when status=5 then price else 0 end) B, SUM(case when status=4 then price else 0 end) C, SUM(case when status=1 then price else 0 end) D, SUM(case when status=0 and addTime>=DateAdd(dd,-7,getdate()) then price else 0 end) E, SUM(case when status=2 or status=3 then price else 0 end) F from Device
效果图:
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