[英]Aggregating based on buckets sql
我有以下查詢(它的一部分),我想要的是首先為LTV制作存儲桶,例如0-0.2; 0.2-0.4; 0.4-0.6。 然后在這些存儲桶中,我想將它們分成較小的存儲桶,用於2-4個板條箱; 4-6; 6-8。 所以總共有9個桶
對於這些存儲桶,我想取SavRate和SavIncentive的平均值以及PartialPrepay和OutNot的總和。
我該怎么做,非常感謝
LTV CRate SavRate SavIncentive PartialPrepay OutNot
0.6684459906 5,5 4,5 0,4 0 26,81
0.1329765857 5,1 3 2,5 28 77,2
0.212585034 6,8 4,5 2,3 17981 22689,01
0.6613789002 4,3 3,2 1,1 17 37,04
0.4251691757 6,3 3 3,3 99 121,09
0.1774713259 4,9 3 1,9 0 63
您可以使用case
語句定義存儲桶。 然后,您可以按存儲桶進行匯總:
select ltvBucket, CrateBucket,
avg(SavRate), avg(SavIncentive), sum(PartialPrepay)
from (select t.*,
(case when ltv between 0.0 and 0.2 then 'LTV:0.0-0.2'
when ltv between 0.2 and 0.4 then 'LTV:0.2-0.4'
when ltv between 0.4 and 0.6 then 'LTV:0.4-0.6'
when ltv between 0.6 and 0.8 then 'LTV:0.6-0.8'
else 'LTV:other'
end) as ltvbucket,
(case when Crate between 2 and 4 then 'Crate:2-4'
when Crate between 4 and 6 then 'Crate:4-6'
when Crate between 6 and 8 then 'Crate:6-8'
else 'Crate:Other'
end) as CrateBucket
from t
) t
group by ltvBucket, CrateBucket
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