In what scenarios would I need to use the CREATEREF, DEREF and REF keywords?

Question

This question is about why I would use the above keywords. I\'ve found plenty of MSDN pages that explain how. I\'m looking for the why.

What query would I be tryin

Answer 1

Look at this post

One of the benefits of references is that it can be thought as a ‘lightweight’ entity in which we don’t need to spend resources in creating and maintaining the full entity state/values until it is really necessary. Once you have a ref to an entity, you can dereference it by using DEREF expression or by just invoking a property of the entity