educative.io

DB Relationship between USER & URL

The documentation states there is no relationship between our USER & URL data but i see this as not the case because each URL is clearly related to a USER ID.
The documentation suggests to use a NoSQL DB but I’m thinking that the opposite option is actually the case so that we may form the relationship between URL and USER via UserID.
On the other hand, is this relationship useful for our system? I would imagine analytics needing to provide details to a user about each of their ‘shortlinks’. This would require a ‘getting’ of all shortlinks connected to a UserID in order to render the data. Am I incorrect in this thinking?