标签:logs select class color pre span pow power 结果
POWER(x,y) 用于返回 x 的 y 次方的结果
mysql> SELECT POWER(2,4), POWER(2,-4); +------------+-------------+ | POWER(2,4) | POWER(2,-4) | +------------+-------------+ | 16 | 0.0625 | +------------+-------------+
标签:logs select class color pre span pow power 结果
原文地址:http://www.cnblogs.com/pzk7788/p/6891817.html