>>I'm planning to begin developing web applications but my main and almost only programming language I know, and work with, is VFP 9. So I guess I should adopt one of the mentioned above. I would like to know which one of them is the easiest to learn, the stronger to support a lot of concurrent users. Or which one would you recommend?
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>>TIA
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>I'm a big fan of WWWC, have used it to build a web app that serves 15million+ page views a month, but our new platform is being built using ASP.net MVC3.

15 million+?? Wow!!! That IS a lot. What DB have you used? How would you advice me to begin working with it?