如何解决此查询使用联接而不是分组依据答案

【问题标题】：How to solve this query Using joins instead of group by如何解决此查询使用联接而不是分组依据
【发布时间】：2016-04-09 05:28:26
【问题描述】：

如果我跳过 group by 子句，我会进行以下查询，我会得到我想要的结果但是当我使用 group by 子句时，缺少一条记录，请帮助解决这个问题而不是到那时我认为它也将帮助充分

SELECT                                                      
        P  .LOT_NO,
           P.REPCK_LOT,
           D.ORD_NO || '-' || D.VERSION AS ORD_NO,
           CUST.CUSTOMER_NAME,
           PRD_QTLY.QUALITY_DESC,
           LK.LOOKUP_VALUE BLEND,
           LK1.LOOKUP_ATTRIBUTE1 PRC,
           COUNT (ROLL_NO) ROLL_NO,
           SUM (D.LENGTH) TRANS_QTY,
           P.SR_NO,
           IN_LT_D.PURPOSE_ID,
           IN_LT_D.PROC_ID,
           IN_LT_D.MATCHING,
           D.INVEN_DATE,
           P.PACK_TYPE,
           P.LOT_YEAR,
           P.UM,
           IN_LT_D.WIDTH_IN AS FWIDTH,
           IN_LT_D.WIDTH_CM,
           LM.LOOM_ABB
    FROM   INVEN_AREA_DTL D,            
           INS_LTR_M IN_LT_M,
           INS_LTR_D IN_LT_D,
           OFA_CUSTOMERS_MV CUST,
           JOC_COMMON_LOOKUPS LK,
           JOC_COMMON_LOOKUPS LK1,
           JOC_PROD_QUALITY PRD_QTLY,
           JOC_LOOM_TYPE LM,
           JOC_LOT_ISSUE_REG LT,
           (SELECT   DISTINCT PD.UM,
                              P.P_DATE,
                              P.P_NO,
                              P.P_TYPE,
                              P.PACK_TYPE,
                              P.SR_NO,
                              P.DEPT_CODE,
                              P.BLND_CODE,
                              P.LOT_NO,
                              P.ORD_NO,
                              P.LOT_YEAR,
                              P.REPCK_LOT
              FROM   PACK P, PACK_DTL PD
             WHERE       P.P_TYPE = PD.P_TYPE
                     AND P.P_DATE = PD.P_DATE
                     AND P.P_NO = PD.P_NO
                     AND P.DEPT_CODE = PD.DEPT_CODE
                     AND P.BLND_CODE = PD.BLND_CODE
                     AND P.ORD_NO = NVL (:ORD, P.ORD_NO)
                     AND P.VERSION = NVL (:VER, P.VERSION)
                     AND P.LOT_NO = NVL (:LOT, P.LOT_NO)) P
   WHERE       IN_LT_M.ORDER_NO = D.ORD_NO
           AND IN_LT_M.VERSION = D.VERSION
           AND IN_LT_M.INS_NO = IN_LT_D.INS_NO
           AND IN_LT_D.SR_NO = D.SR_NO
           AND LK.LOOKUP_ID = IN_LT_D.BLEND_ID
           AND LK1.LOOKUP_ID = IN_LT_D.PURPOSE_ID
           AND LK1.LOOKUP_TYPE = 'END_PROCESS'
           AND CUST.CUSTOMER_ID = IN_LT_M.CUSTOMER_ID
           AND PRD_QTLY.QUALITY_ID = IN_LT_D.QUALITY_ID
           AND D.RET_DATE >= :FDT
           AND D.RET_DATE <= :TDT
           AND D.RECEIVE_DATE IS NOT NULL
           AND D.RECEIVE_STATUS = 'Y'
           AND D.RET_STS IS NOT NULL
           AND P.ORD_NO = D.ORD_NO
           AND P.SR_NO = D.SR_NO
           AND P.P_NO = D.ROLL_NO
           AND P.LOT_NO = D.LOT_NO
           AND P.LOT_YEAR = D.LOT_YEAR
           AND P.LOT_NO = LT.LOT_NO
           AND P.LOT_YEAR = LT.LOT_YEAR
           AND LT.LOOM_ID = LM.LOOM_ID
GROUP BY   D.ORD_NO || '-' || D.VERSION,
           P.LOT_NO,
           P.REPCK_LOT,
           CUST.CUSTOMER_NAME,
           P.SR_NO,
           ROLL_NO,
           D.LENGTH,
           LK.LOOKUP_VALUE,
           PRD_QTLY.QUALITY_DESC,
           IN_LT_D.PURPOSE_ID,
           LK1.LOOKUP_ATTRIBUTE1,
           IN_LT_D.PROC_ID,
           IN_LT_D.MATCHING,
           D.INVEN_DATE,
           P.PACK_TYPE,
           P.LOT_YEAR,
           P.UM,
           IN_LT_D.WIDTH_IN,
           IN_LT_D.WIDTH_CM,
           LM.LOOM_ABB
ORDER BY   D.INVEN_DATE, D.ORD_NO || '-' || D.VERSION, P.LOT_NO

【问题讨论】：

标签： sql oracle join group-by inner-join

【解决方案1】：

我的猜测是缺少的记录在按字段分组的值与另一条记录具有相同的值，所以我会在您用于分组检查重复条目的字段上创建一个查找重复查询

【讨论】：

没有他们是重复的行