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  • SQL简单的日报和月报

    --320, SQL SERVER  日报
    --查询2009-01-01当天客户A1,A2,A3的订单数量
    SELECT Cust_Name
         , CONVERT(CHAR(10), Order_Date, 120) Order_Date
         , SUM(Qty) Qty
    FROM Orders_Big
    WHERE 1=1
         AND Cust_Name IN ('A1', 'A2', 'A3')
         AND Order_Date >= '2009-01-01' 
         AND Order_Date<'2009-01-02'
         /*AND Order_Date  -- BETWEEN...AND相当于>=和<=
                BETWEEN '2009-01-01'
                     AND '2009-01-02'*/
    GROUP BY Cust_Name
         , CONVERT(CHAR(10), Order_Date, 120)
    ORDER BY 2, 1
    
    
    --321. ORACLE 日报
    --查询2009-01-01当天客户A1,A2,A3的订单数量
    SELECT Cust_Name
      , TO_CHAR(Order_Date, 'YYYY-MM-DD') Order_Date --方法一:转换成字符串类型
      --, TRUNC(Order_Date) Order_Date  --方法二:将时分秒信息截断
      , SUM(Qty) Qty
    FROM Orders_Big
    WHERE 1=1
         AND Cust_Name IN ('A1', 'A2', 'A3')
         AND Order_Date >= DATE'2009-01-01' 
         AND Order_Date<DATE'2009-01-02'
    GROUP BY Cust_Name
           , TO_CHAR(Order_Date, 'YYYY-MM-DD')--方法一
           --, TRUNC(Order_Date)--方法二
    ORDER BY 2, 1
    
    
    ------------------------------10.2------------------------------------
    --326,SQL SERVER 月报
    SELECT Cust_Name
         , CONVERT(CHAR(7), Order_Date, 120) Order_YrMs
         , CAST(CONVERT(CHAR(7), Order_Date, 120) + '-01' AS DATETIME) Order_Date
         , SUM(Qty) Qty
    FROM Orders_Big
    WHERE 1=1
       AND Cust_Name IN ('A1', 'A2', 'A3')
       AND Order_Date >= '2009-01-01' 
       AND Order_Date<'2009-02-01'
    GROUP BY Cust_Name
            , CONVERT(CHAR(7), Order_Date, 120)
    ORDER BY 2, 1
    
    --326, ORACLE
    SELECT Cust_Name
        , TO_CHAR(Order_Date, 'YYYY-MM') Order_YrMs --方法1
        --, TRUNC(Order_Date, 'MM') Order_Date--方法2
        , SUM(Qty) Qty
    FROM Orders_Big
    WHERE 1=1
        AND Cust_Name IN ('A1', 'A2', 'A3')
        AND Order_Date >= DATE'2009-01-01' 
        AND Order_Date<DATE'2009-02-01'
    GROUP BY Cust_Name
        , TO_CHAR(Order_Date, 'YYYY-MM')--方法1
        --, TRUNC(Order_Date, 'MM')--方法2
    ORDER BY 2, 1

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  • 原文地址:https://www.cnblogs.com/smartsmile/p/6234270.html
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