Add guardrails to SQL DB

[filip_olason]

There is currently no way to control the scaling of an SQL DB. There should be a way to limit the database from scaling above a certain size. And / or a way to set a fixed cost/size (similar to DTU purchasing model).

[akatesmith]

We are aware of this limitation and the challenges it causes.  

[RasmusRymark]

It seems that there's onlý "one size" right now. We're using the SQL DB for meta-data about pipeline/notebook runs only - so some sort of Small/Medium/Large would be nice. Some sort of "sizing", anyway 🙂