PHPMYADMIN and MYSQL-php Tutorial

Some questions about PHPMYADMIN and MYSQL */
/* Table: sdb_admin_roles */
/* ===================================================== ======================================= */
Create table sdb_admin_roles
(

Role_id int unsigned not null auto_increment,

Role_name varchar (100) not null,

Role_memo text not null,

Disabled enum ('true', 'false') not null default 'false ',
Primary key (role_id)
)
Type = MyISAM default character set utf8;

/* ===================================================== ======================================= */
/*
What's wrong with this database table? I don't know much about it.
The error is as follows:

Reply to discussion (solution)

Type = MyISAM
What is this?
ENGINE = MyISAM

This is not the key of brother's type.

Thank you very much for your answers on the second and third floors.