MySQL对数据表的基本操作语句

create table user(
id int not null auto_increment,
username varchar(20) not null,
gender char(1) not null default 'M',
primary key(id)
);

show tables;

describe table_name;   or  desc table_name;

insert into user(id,username,gender) values(1,'xiaoD','M');

alert table table_name rename table_new_name;

drop table table_name;