摘要: SQL四舍五入、向下取整、向上取整 round() ; 遵循四舍五入把原值转化为指定小数位数,如: round(1.45,0) = 1; round(1.55,0)=2 floor(); 向下取整 如: floor(1.45)= 1, floor(1.55) = 1 , floor(-1.45)= 阅读全文
posted @ 2022-09-30 08:59 柒月廿三 阅读(32) 评论(0) 推荐(0)