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[Oracle] 数据排重
發布時間：2025/3/21
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[Oracle] 数据排重
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--查找重復數據
SELECT NODE_ID, BUSI_ID
FROM I_AGENT_BUSI_AMOUNT
WHERE STAT_TIME = 200601
GROUP BY NODE_ID, BUSI_ID
HAVING COUNT(*) > 1
--排重
SELECT *
FROM I_AGENT_BUSI_AMOUNT
WHERE ROWID IN (SELECT RID
FROM (SELECT ROWID RID,
ROW_NUMBER() OVER(PARTITION BY NODE_ID, BUSI_ID ORDER BY ROWID) RN
FROM I_AGENT_BUSI_AMOUNT
WHERE STAT_TIME = 200601)
WHERE RN 1)
SELECT NODE_ID, BUSI_ID
FROM I_AGENT_BUSI_AMOUNT
WHERE STAT_TIME = 200601
GROUP BY NODE_ID, BUSI_ID
HAVING COUNT(*) > 1
--排重
SELECT *
FROM I_AGENT_BUSI_AMOUNT
WHERE ROWID IN (SELECT RID
FROM (SELECT ROWID RID,
ROW_NUMBER() OVER(PARTITION BY NODE_ID, BUSI_ID ORDER BY ROWID) RN
FROM I_AGENT_BUSI_AMOUNT
WHERE STAT_TIME = 200601)
WHERE RN 1)
轉載于:https://www.cnblogs.com/vanuan/archive/2006/02/21/9576175.html
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