获取某个月份内每一天的日期
获取某月内每一天日期

select to_date('2008-09','yyyy-mm')+(rownum-1) s_date from dual
connect by rownum<=last_day(to_date('2008-09','yyyy-mm')) - to_date('2008-09','yyyy-mm')+1
AND TO_DATE('2008-09','YYYY-MM')+(rownum-1)<=SYSDATE