Access vs SQL Server?

How can you tell if you need Access or something like SQL Server?
http://support.microsoft.com/?id=168549
http://support.microsoft.com/?id=321518
http://www.aspfaq.com/2195
http://www.microsoft.com/presspass/f.../10-21msde.asp
http://msdn.microsoft.com/library/de...l/acsqlres.asp
http://msdn.microsoft.com/library/de..._msdeintro.asp
http://msdn.microsoft.com/library/de...sderoadmap.asp
http://msdn.microsoft.com/library/de...l/acmsdeop.asp
http://www.aspfaq.com/
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"Gator" <anonymous@.discussions.microsoft.com> wrote in message
news:7732FEDE-DE61-494C-8E16-52ED4C2E27D7@.microsoft.com...
> How can you tell if you need Access or something like SQL Server?