摘要: 1.select 1/6 (整数相除除不过直接就为0) 解决办法:select cast(1 as double)/6 2.select round (0/6,2) (0除以任何数都是0,无法取小数两位0.00) 解决办法:select round (0.00/6,2) 3. select cast 阅读全文
posted @ 2021-04-27 16:21 夜半钟声到客船 阅读(313) 评论(0) 推荐(0)