ProductsData
pd_num ? ? ? ? ?pd_type ?pd_status
SCS-1-00 ? ? ? SCS-1 ? ? 0
SCS-1-002 ? ? SCS-1 ? ? 0
SCS-2-001 ? ? SCS-2 ? ? 0
SCS-2-001 ? ? SCS-2 ? ? 1

結(jié)果(num1 是pd_status=0的個數(shù)，num1 是pd_status=1的個數(shù)）

pd_type num1 ? num2
scs-1 ? ? 2 ? ? ? ? ? 0

scs_2 ? 1 ? ? ? ? ? ?1

select distinct t3.up_type, t3.up_num, iif(isnull(t4.num), 0, t4.num) as non_num from (select distinct t1.pd_type as up_type, iif(ISNULL(t2.num), 0,t2.num) as up_num from ProductsData as t1 left join (select pd_type, count(pd_num) as num from ProductsData where pd_status = 0 group by pd_type) as t2 on t1.pd_type = t2.pd_type) as t3 left join (select pd_type, count(pd_num) as num from ProductsData where pd_status = 1 group by pd_type) as t4 on t4.pd_type = t3.up_type

總結(jié)

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