CREATE TABLE `accounts` (
	`id` INT NOT NULL ,
	`username` VARCHAR( 64 ) NOT NULL ,
	`password` VARCHAR( 64 ) NOT NULL ,
	`email` VARCHAR( 256 ) NULL ,
	PRIMARY KEY ( `id` ) ,
	UNIQUE ( `username` )
) ENGINE = MYISAM CHARACTER SET utf8 COLLATE utf8_general_ci;

CREATE TABLE `roles` (
	`id` INT NOT NULL AUTO_INCREMENT PRIMARY KEY ,
	`roletype` VARCHAR( 256 ) NOT NULL ,
	`rolename` VARCHAR( 256 ) NOT NULL ,
	UNIQUE ( `roletype` )
) ENGINE = MYISAM CHARACTER SET utf8 COLLATE utf8_general_ci;

CREATE TABLE `user_roles` (
	`id` INT NOT NULL AUTO_INCREMENT PRIMARY KEY ,
	`accounts_id` INT NOT NULL ,
	`users_id` INT NOT NULL ,
	`conferences_id` INT NOT NULL ,
	`roles_id` INT NOT NULL ,
	`active` ENUM( 'no', 'yes' ) NOT NULL DEFAULT 'yes',
	`complete` ENUM( 'no', 'yes' ) NOT NULL DEFAULT 'no'
) ENGINE = MYISAM CHARACTER SET utf8 COLLATE utf8_general_ci;