标签:mysq bsp span exp 结果 -- sql code pre
EXP(x) 用于返回以 e 为底的 x 次方的结果,e 是一个无限不循环小数,其值约等于 2.718281828459......
mysql> SELECT EXP(3), EXP(-3), EXP(0); +--------------------+----------------------+--------+ | EXP(3) | EXP(-3) | EXP(0) | +--------------------+----------------------+--------+ | 20.085536923187668 | 0.049787068367863944 | 1 | +--------------------+----------------------+--------+
标签:mysq bsp span exp 结果 -- sql code pre
原文地址:http://www.cnblogs.com/pzk7788/p/6891819.html