Good Day

I am conducting some research for a university project and you guys/gals could really help me out.

I am trying to find some expert opinons on what the core functionality of a Database Management System, for example SQL Server, are for its users.

When I say functionality, i'm refering to features such as the ability to create/delete/edit Logins, or the ability to edit a Table's content or the ability to perfrom backups and restores on databases.

I am aware this is dependant upon the type of user.

If you could just state the type of user you are and list the functionality, which you feel is most important, I would be very, very grateful!

Thanks a million for any help