摘要：to_char(sysdate ,'yyyy-mm-dd');select to_char(2,'000') from dual;to_date(sysdate ,'yyyy-mm-dd');--获取当前天(第多少号)select to_char(SYSDATE,'dd') from dual;--本月最后一天select to_char(last_day(sysdate),'dd') from ... 阅读全文