Oracle查詢某段日期內某個時間段的數據

示例：

查詢最近一周12:30分到13:00這段時間內的訂單量：

SELECT *
  FROM T_ORDER O
 WHERE O.CREATEDATETIME BETWEEN
       SYSDATE-7 AND
       SYSDATE
   AND TO_CHAR(O.CREATEDATETIME, 'hh24:mi:ss') BETWEEN '12:30:00' AND
       '13:00:00'

 

查詢某段日期內某個時間段的訂單量：

SELECT *
  FROM T_ORDER O
 WHERE O.CREATEDATETIME BETWEEN
       TO_DATE('2016-10-08 12:30', 'yyyy-mm-dd hh24:mi') AND
       TO_DATE('2016-10-14 13:00', 'yyyy-mm-dd hh24:mi')
   AND TO_CHAR(O.CREATEDATETIME, 'hh24:mi:ss') BETWEEN '12:30:00' AND
       '13:00:00'

主要是思路。。。

 

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