title: Should referential integrity be enforced?
body: <p>One of the reasons why referential integrity should not be enforced is performance. Because Db has to validate all updates against relationships, it just makes things slower but what are the other pros and cons of enforcing and not enforcing?</p>
  
  <p>Because relationships are maintained in the business logic layer anyway, it just makes them redundant for db to do it. What are your thoughts on it?</p>