Mysql常用

修改mysql密码
mysql> set password for root@localhost = password('shapolang');

创建数据库指定字符
create database IF NOT EXISTS lavue default charset utf8 collate utf8_general_ci

创建表

 create table student(
     id int not null auto_increment,
     name varchar(20) not null,
     age tinyint not null default 0,
     primary key(`id`)
 ) engine=innodb default charset=utf8;

 #添加字段
 alter table student add gender tinyint not null default 0 comment "0:male, 1:female";
 #修改字段
 alter table student change name name varchar(32) not null;