Pl Sql Mix，Max 函数

Question

**我想获取员工最后一次刷卡和第一次刷卡的刷卡信息。 根据我的查询结果，它返回了大量每天发生两次以上的刷卡交易数据。

WITH PERSO AS (  
SELECT  MUSTERI,MAX(KART_BASIM_DATE) TARIH
FROM PERSO_BASVURU PR     
GROUP BY MUSTERI) ,

ISLEMLER_MAXARAC AS (  
SELECT  PR.MUSTERI,M.ID ,M.ADI NAME,M.SOYADI SURNAME, NO_KART,MAX(TRST_ISLEM) MAXTRST  
FROM PERSO PR  
JOIN PERSO_BASVURU BB ON BB.MUSTERI=PR.MUSTERI  
JOIN PERSO_MUSTERI M ON BB.MUSTERI=M.ID    
JOIN S_DETAY_ARAC S ON BB.KART_NO=S.NO_KART 
     
WHERE S.TRST_ISLEM  BETWEEN
TO_DATE('05.12.2023 000000', 'DD.MM.YYYY HH24MISS') AND TO_DATE('08.12.2023 230000' , 'DD.MM.YYYY HH24MISS') AND 
S.ID_TIP_BILET IN (114) AND S.NO_ARAC BETWEEN 6000 AND 7000       
 
GROUP BY  PR.MUSTERI,M.ID,M.ADI,M.SOYADI,NO_KART
) ,
ISLEMLER_MINARAC AS (  
SELECT MIN(TRST_ISLEM) MINTRST  
FROM PERSO PR  
JOIN PERSO_BASVURU BB ON BB.MUSTERI=PR.MUSTERI AND  PR.TARIH=BB.KART_BASIM_DATE  
JOIN PERSO_MUSTERI M ON BB.MUSTERI=M.ID  
JOIN S_DETAY_ARAC S ON BB.KART_NO=S.NO_KART 
WHERE S.TRST_ISLEM BETWEEN 
TO_DATE('05.12.2023 000000', 'DD.MM.YYYY HH24MISS') AND TO_DATE('08.12.2023 230000' , 'DD.MM.YYYY HH24MISS') 
AND S.ID_TIP_BILET IN (114) AND S.NO_ARAC BETWEEN 6000 AND 7000
GROUP BY  PR.MUSTERI,M.ADI,M.SOYADI,NO_KART)

SELECT X.ID, X.ADI, X.SOYADI, N.MINTRST,X.MAXTRST 
  
FROM ISLEMLER_MAXARAC X  
JOIN ISLEMLER_MINARAC N  
ON TO_DATE(N.MINTRST,'DD.MM.YYYY')=TO_DATE(X.MAXTRST,'DD.MM.YYYY')


WHERE X.MAXTRST-N.MINTRST>0    
GROUP BY  X.ADI, X.SOYADI , N.MINTRST,X.MAXTRST

-- 查询结果

Answer 1

您可以使用

MIN

和

MAX

聚合函数并从

MINTRST

中删除列

MAXTRST

和

GROUP BY

，如下所示：

SELECT X.ID, X.ADI, X.SOYADI, 
       MIN(N.MINTRST),
       MAX(X.MAXTRST)
FROM ISLEMLER_MAXARAC X  
JOIN ISLEMLER_MINARAC N  
ON TO_DATE(N.MINTRST,'DD.MM.YYYY')=TO_DATE(X.MAXTRST,'DD.MM.YYYY')
WHERE X.MAXTRST-N.MINTRST>0    
GROUP BY X.ID, X.ADI, X.SOYADI