mysql> select sqrt(16); +----------+ | sqrt(16) | +----------+ | 4 | +----------+ 1 row in set (0.00 sec) 相关文章: 2022-12-23 2022-12-23 2021-04-20 2022-12-23 2021-11-03 2022-12-23 2021-12-17 2021-08-24