 	source_id int not null,
   type enum('haplotype', 'tag'),
 
-	primary key (variation_group_id)
+	primary key (variation_group_id),
+  unique(name)
 );
 
 


  primary key(variation_synonym_id),
  key variation_idx (variation_id),
  key name_idx (name)
);



	source_id int,
	frequency float,

	primary key( allele_group_id ),
  unique(name)
);


