摘要: select MOD(65,50) from dual --取余select trunc( 65/33) from dual -- 取整 trunc (1.9) = 1select ceil(65/60) from dual -- 取整 ceil(1.1) = 2Select abs(-7) from dual --绝对值 阅读全文
posted @ 2012-12-20 14:48 vigarbuaa 阅读(245) 评论(0) 推荐(0) 编辑