摘要: select lpad('1234',4,'0') from dual select lpad('123',4,'0') from dual select lpad('23',4,'0') from dual select lpad('3',4,'0') from dual select nvl(lpad('',4,'0'),'0000') from dual 阅读全文
posted @ 2019-11-29 16:49 大水煮鱼 阅读(1261) 评论(1) 推荐(0) 编辑