Yes, I think I'll investigate mySQL.
What I wanted to try for example is have a database of car
specifications and then a HTML document that when you click "Engine"
would arrange all the cars in order of engine capacity.
Then a user could click "Colour" and they'd all sort in order of
colour or "Top Speed" etc.
Like when MUI sorts a list with that black triangle icon, but as a
link.
:-D