select 字段1,
sum(
case
when 字段2>=1 and 字段2<=10 then 1
else 0
end
) "1-10",
sum(
case
when 字段2>=11 and 字段2<=20 then 1
else 0
end
) "11-20"
from a
group by 字段1
sum(
case
when 字段2>=1 and 字段2<=10 then 1
else 0
end
) "1-10",
sum(
case
when 字段2>=11 and 字段2<=20 then 1
else 0
end
) "11-20"
from a
group by 字段1
解决方案 »
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