tl;dr: if you use Azure SQL DB Hyperscale’s auto-scaling, it’s probably not cutting your bill down because like SQL Server, Hyperscale doesn’t automatically relinquish memory, and it’ll be up to you to manually manage your own memory if you wanna cut your bill.
Now for the long story.
Microsoft’s Azure SQL DB Hyperscale has an auto-scaling option that’s supposed to automatically scale up and down. It’s perfect for bursty workloads like Have I Been Pwned, a free online service where you can put in your email address and see if your login details have been leaked. (Mine’s been part of