MySQL数据库中最基本的函数类型

数数类复制MySQL> select round(1.23); +-------------+ | round(1.23) | +-------------+ | 1 | +-------------+ 1 row in set (0.00 sec) MySQL> select round(1.56); +-------------+ | round(1.56) | +-------------+ | 2 | +-------------+ 1 row in set (0.00 sec) 1.2.3.