如何取一年内的所月日期，如：
2012-01-01
2012-01-02
...
2012-12-31
------解决方案--------------------
- SQL code
select to_char(to_date(to_char(sysdate, 'yyyy')|| '-01-01', 'yyyy-mm-dd')+rownum-1, 'yyyy-mm-dd') from dual connect by rownum< to_date(to_char(sysdate, 'yyyy')+1|| '-01-01', 'yyyy-mm-dd')-to_date(to_char(sysdate, 'yyyy')|| '-01-01', 'yyyy-mm-dd')+1;
------解决方案--------------------
- SQL code
SQL> select to_char(to_date(to_char(sysdate, 'yyyy')|| '-01-01', 'yyyy-mm-dd')+rownum-1, 'yyyy-mm-dd') from dual connect by rownum< to_date(to_char(sysdate, 'yyyy')+1|| '-01-01', 'yyyy-mm-dd')-to_date(to_char(sysdate, 'yyyy')|| '-01-01', 'yyyy-mm-dd')+1;TO_CHAR(TO_DATE(TO_C -------------------- 2012-01-01 2012-01-02 ... 2012-12-04 2012-12-05 2012-12-06 2012-12-07 2012-12-08 2012-12-09 2012-12-10 2012-12-11 2012-12-12 2012-12-13 2012-12-14 2012-12-15 2012-12-16 2012-12-17 2012-12-18 2012-12-19 2012-12-20 2012-12-21 2012-12-22 2012-12-23 2012-12-24 2012-12-25 2012-12-26 2012-12-27 2012-12-28 2012-12-29 2012-12-30 2012-12-31 已选择366行。