按财政年度分组(Oracle)

在Oracle中有没有办法可以拉动风云？我用下面的脚本只拉了两个风云. Mytable日期范围从1998财年到2009财年.

SELECT 'FY2008' as FY,Site,COUNT(*) 
    FROM mytable 
   WHERE date >='10-OCT-2007' 
     AND date <'10-OCT-2008' 
GROUP BY site

SELECT 'FY2008' as FY,COUNT(*) 
    FROM mytable 
   WHERE date >='10-OCT-2008' 
     AND date <'10-OCT-2009' 
GROUP BY site

拉动两个FY是可以的,但是当拉动超过10 FY时它太重复了.

添加83天到您的日期并将其截断为全年：

select 'FY'||Trunc(date + 83,'YYYY') as FY,count(*)
from mytable
group by 'FY'||Trunc(date + 83,'YYYY'),site

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