目录前言mysql函数简介数学函数1.绝对值函数ABS(x)和返回圆周率的函数PI()2.平方android根函数SQRT(x)和求余函数MOD(x,y)3.获取整数的函数CEIL(x)、CEILING(x)和FLOOR(x)4.获取随机数的函数RAND()和
My javascript isnt so great, but i foun开发者_如何学编程d a brilliant looking function here I\'m not sure what to do with this bit: