* * sql: * CREATE DATABASE IF NOT EXISTS test default charset utf8mb4; * create table user (id int primary key auto_increment,name varchar(200)) engine=innodb; * 模拟数据插入 * mysql> insert into user (name) values("xiaoming"); Query OK, 1 row affected (0.11 sec) mysql> insert into user (name) values("hello"); Query OK, 1 row affected (0.04 sec) */ User user.