[英]How do I select unique values in a single column with multiple column selected?
the query is actually fine and running but it doesn't select distinct the column A.CONTRACT_NUMBER.该查询实际上很好并且正在运行,但它与 A.CONTRACT_NUMBER 列不同 select。
This is the code:这是代码:
SELECT DISTINCT A.CONTRACT_NUMBER
, A.DTIME_SIGNATURE
, A.ID_CUID
, A.CLIENT_SEGMENT
, A.CLIENT_GENDER
, A.CLIENT_AGE
, A.CNT_SIGNED
, A.AMT_SIGNED
, A.INSTALMENTS
, A.PRODUCT
, B.AMT_INTEREST_INCOME
FROM DM_SALES.V_SALES_DM_DATA A
LEFT JOIN DM_FIN.FIN_LTV_DATAMART B ON A.CONTRACT_NUMBER = B.CONTRACT_NUMBER
WHERE 1=1
AND A.CONTRACT_STATE <> 'Cancelled'
AND a.cnt_signed=1
AND A.LOAN_TYPE = 'Consumer Loan'
AND (TRUNC(A.DTIME_SIGNATURE) BETWEEN DATE'2022-08-01' AND DATE '2022-08-31')
GROUP BY A.CONTRACT_NUMBER
ORDER BY A.DTIME_SIGNATURE
;
It runs normally but after checking the data, there are still repeated values in the A.CONTRACT_NUMBER column.运行正常,但查了下数据,A.CONTRACT_NUMBER列还是有重复的值。 A.CONTRACT_NUMBER is like the primary key column and I'd like to select unique values to that column
A.CONTRACT_NUMBER 就像主键列,我想为该列添加 select 个唯一值
Thanks: :D感谢:D
Per contract you want the average interest income from your datamart table, so aggregate your datamart data by contract and join this result to your sales data.table.对于每个合同,您需要数据集市表中的平均利息收入,因此按合同聚合数据集市数据并将此结果加入您的销售额 data.table。
SELECT
sd.*,
dm.avg_interest_income
FROM dm_sales.v_sales_dm_data sd
LEFT JOIN
(
SELECT contract_number, AVG(amt_interest_income) AS avg_interest_income
FROM dm_fin.fin_ltv_datamart
GROUP BY contract_number
) dm ON dm.contract_number = sd.contract_number
WHERE sd.contract_state <> 'Cancelled'
AND sd.cnt_signed = 1
AND sd.loan_type = 'Consumer Loan'
AND sd.dtime_signature >= DATE '2022-08-01'
AND sd.dtime_signature < DATE '2022-09-01'
ORDER BY sd.dtime_signature;
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