摘要: select to_char(0.2, 'fm999990.99999') from dual; /*显示为 0.2 */select to_char(0.2) from dual; /*显示为 .2 */ 阅读全文
posted @ 2020-07-03 14:03 鹤发童颜 阅读(768) 评论(0) 推荐(0) 编辑