SQL - 使用两个条件查找不是不同的值

Question

相比之下，展示更容易，而不是解释：

我有下表：

我的想法是，我只需要“Objekts”，我在同一个月内进入了Datum。 例如，需要“aaa”，因为我有8月两次的数据。不需要“bbb”，因为我曾经八月一次，一次是Septermber，这是好的。

这是我到目前为止所尝试的：

SELECT objekt,count(*) as counter
FROM tempt_report
GROUP BY objekt
HAVING count(*)>1

但显然，我没有提到“基准”的要求，因此我得不到我想要的东西。

谢谢！ ：）

Answer 1

不确定我是否遗漏了什么！你想要一年中一个月的任何类型的＆gt; 1

SELECT objekt,year(datum),month(datum),count(*) as counter
FROM tempt_report
GROUP BY objekt, year(datum),month(datum)
HAVING count(*)>1

Answer 2

   SELECT objekt,dateadd(month,DATEDIFF(MONTH, 0, datum),0) m
   FROM tempt_report
   GROUP BY objekt,DATEDIFF(MONTH, 0, datum)
   HAVING count(*)>1

Answer 3

select MONTH(Datum) +' '+ YEAR(Datum) AS Datum,
       objekt,
       COUNT(1) from #tempt_report
GROUP by objekt,YEAR(Datum), MONTH(Datum)
HAVING count(1) > 1

您可以尝试此查询吗？

Answer 4

您可以这样尝试：

DECLARE @tbl TABLE(YourDate DATE,YourObjekt VARCHAR(100));

INSERT INTO @tbl VALUES
 ({d'2016-08-01'},'aaa')
,({d'2016-08-31'},'aaa')
,({d'2016-08-31'},'bbb')
,({d'2016-09-01'},'aaa')
,({d'2016-09-02'},'bbb');

WITH PartitionedCounted AS
(
    SELECT ROW_NUMBER() OVER(PARTITION BY YourObjekt,YearAndMonth ORDER BY YourDate) AS Nr
          ,YearAndMonth
          ,YourDate
          ,YourObjekt
    FROM @tbl AS tbl
    CROSS APPLY(SELECT CONVERT(VARCHAR(7),YourDate,102) AS YearAndMonth) AS A
)
SELECT pc.YearAndMonth,pc.YourObjekt,tbl.YourDate
FROM PartitionedCounted AS pc
INNER JOIN @tbl AS tbl ON tbl.YourObjekt=pc.YourObjekt AND CONVERT(VARCHAR(7),tbl.YourDate,102)=pc.YearAndMonth
WHERE pc.Nr > 1

更新

由于您使用的是SQL Server 2014，因此可以使用EOMONTH：

WITH PartitionedCounted AS
    (
        SELECT ROW_NUMBER() OVER(PARTITION BY YourObjekt,EOMONTH(YourDate) ORDER BY YourDate) AS Nr
              ,EOMONTH(YourDate) AS EOM
              ,YourDate
              ,YourObjekt
        FROM @tbl AS tbl
    )
    SELECT pc.EOM,pc.YourObjekt,tbl.YourDate
    FROM PartitionedCounted AS pc
    INNER JOIN @tbl AS tbl ON tbl.YourObjekt=pc.YourObjekt AND EOMONTH(tbl.YourDate)=pc.EOM
    WHERE pc.Nr > 1