Can i create more than one db in a machine?

can i use "create database" to create more than one db in a single machine?

I understand what you're saying and it's sound advice. When you said crash I took it as meaning at the database level
and not the server level. As I said before, one database crashing will not effect another on the same server. If the server
crashes both databases will crash too. I think we both agree on that.
then you will have more than one job in hand.... And to get things up-and-running, will take that much longer.....True, but there's other things to consider in the real world. For example one of our servers contains our development/test
database and our production database. I hate to sound like management here(which I'm not) but why should we buy another
server for 5-8 people to use for development/testing? The cost of a few developers not working for a while and DBA restoring
the database in the rare case of a server crash is less expensive than buying a second server. Maybe if we had more
developers for this system a second server would be justified. Another reason for not having a second server may be that some
people can't afford a second server.
So can you install more than one database on a server? Yes
Is it better to have one database per server? Yes
Is it always justified to have one database on a server? No

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