MySQL exp()函數
EXP(X)
此函數返回e(自然對數的底)到X次方的值此函數返回e(自然對數的底)的X次方的值
mysql>SELECT EXP(3); +---------------------------------------------------------+ | EXP(3) | +---------------------------------------------------------+ | 20.085537 | +---------------------------------------------------------+ 1 row in set (0.00 sec)