jupiter's blog - MySQL学习:常用函数总结 的评论
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link: http://inat.top/archives/355/
description: 1.数学函数针对数字-- ABS(x) 返回x的绝对值SELECT ABS(-1); -- 返回1-- ROUND(x)返回离 x 最近的整数SELECT ROUND(1.23456); -- ...