在新建数据表的时候表名和列名不能有引号，带有引号就会报错没有引号就能创建成功不知道啥情况。
mysql> create table ‘my_user’(
‘id’ int not null auto_increment,
‘name’ varchar(200) unique not null,primary key (id)
);
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ‘‘my_user’(‘id’ int not null auto_increment, ‘name’ varchar(200) unique not null,’ at line 1