create table t_type (
	type_id		tinyint auto_increment primary key not null,
	type		varchar(9) not null,
	
	index (type_id),
	unique (type_id),
	
	index (type),
	unique (type)
);

insert into t_type set type='integer';
insert into t_type set type='float';
insert into t_type set type='string';
insert into t_type set type='list';
insert into t_type set type='object';
insert into t_type set type='exception';