请问为什么周别显示不一样呢??
admin 2012-01-16 02:46:04 Select to_char(to_date('20100101','yyyymmdd'),'iw') As week From dual
Union All
Select to_char(to_date('20110101','yyyymmdd'),'iw') As week From dual
Union All
Select to_char(to_date('20120101','yyyymmdd'),'iw') As week From dual
Union All
Select to_char(to_date('20130101','yyyymmdd'),'iw') As week From dual
;
请问为什么周别显示不一样呢??