摘要: select to_char(to_date(sysdate,'yyyy-mm-dd'),'day') from dual; select to_date('2017-12-31','day') from dual; select sysdate,to_char(sysdate,'yyyy-mm-dd hh24:mi:ss') from dual; select sysdate,to_... 阅读全文
posted @ 2018-01-02 07:28 未来的羁绊 阅读(168) 评论(0) 推荐(0) 编辑