select fk.*
,obj.name --外鍵名
,obj2.name --外鍵表
,obj3.name --主鍵表
from sysforeignkeys fk inner join sysobjects obj on fk.constid=obj.id
inner join sysobjects obj2 on fk.fkeyid = obj2.id
inner join sysobjects obj3 on fk.rkeyid = obj3.id
order by obj2.name