摘要: select lower('HELLO') from dual;select lpad(100, 5, '*') from dual;select sysdate + 1 / 24 from dual;select last_day(sysdate) from dual;select to_char 阅读全文
posted @ 2017-01-09 10:07 DREAM_SF 阅读(102) 评论(0) 推荐(0) 编辑