Which of the following does not violate the referential integrity of a critabase?

inserting a new row into a table with a foreign key that doesn't match a primary key in the related table

updating a foreign key with a value that doesn't match a primary key in the related table

updating a primary key in a primary key table without also updating the foreign keys for the related rows in all related tables

deleting a row in a foreign key table without deleting the related row in the related primary key table