Sql 在MS Access中将使用公共分组的两个摘要查询合并为一个查询

我在这个问题上有一个绝对的大脑锁，不知道是否有人可以帮助我

我在1毫秒访问表中有以下形式的每日数据： 客户独特|日期|开放bal |关闭bal | 我有一个SQL来获取每日客户结余的数量，结余高于结余

SELECT Dates, Count(closingbal) AS Increases FROM tablename 
WHERE closingbal >[ openingbal] GROUP BY Dates

这样行

我还有一个客户结余低于其期初结余的减少：

SELECT Dates, Count(closingbal) AS Decreases FROM tablename 
WHERE closingbal <[ openingbal]GROUP BY Dates 

非常感谢您对本查询的任何帮助。

使用Union如何

Select Dates, Sum(Increases), Sum(Decreases)
from
{
    SELECT Dates, Count(closingbal) AS Increases, 0 as Decreases FROM tablename 
    WHERE closingbal >[ openingbal] GROUP BY Dates

    Union All

    SELECT Dates, 0 as Increase, Count(closingbal) AS Decreases FROM tablename 
    WHERE closingbal <[ openingbal]GROUP BY Dates 
}
GroupBy Dates

---

这已经奏效了，而且反应如此迅速。非常感谢，非常感谢！

Select Dates, Sum(Increases), Sum(Decreases)
from
{
    SELECT Dates, Count(closingbal) AS Increases, 0 as Decreases FROM tablename 
    WHERE closingbal >[ openingbal] GROUP BY Dates

    Union All

    SELECT Dates, 0 as Increase, Count(closingbal) AS Decreases FROM tablename 
    WHERE closingbal <[ openingbal]GROUP BY Dates 
}
GroupBy Dates