Zrobi to następujące zapytanie lub tehreof modyfikacji - w serwerze Sql możesz również podać informacje o katalogu i schemacie
select tab1.TABLE_NAME from
INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS as ref inner join
INFORMATION_SCHEMA.TABLE_CONSTRAINTS as prim
on ref.UNIQUE_CONSTRAINT_NAME=prim.CONSTRAINT_NAME
and ref.UNIQUE_CONSTRAINT_CATALOG=prim.CONSTRAINT_CATALOG
and ref.UNIQUE_CONSTRAINT_SCHEMA=prim.CONSTRAINT_SCHEMA
--and prim.CONSTRAINT_TYPE in('PRIMARY KEY','UNIQUE')
inner join INFORMATION_SCHEMA.TABLE_CONSTRAINTS tab1 on
ref.CONSTRAINT_NAME=tab1.CONSTRAINT_NAME
and ref.CONSTRAINT_CATALOG=tab1.CONSTRAINT_CATALOG
and ref.CONSTRAINT_SCHEMA=tab1.CONSTRAINT_SCHEMA
where prim.TABLE_NAME='YourTablename'
