Loyalty points system [closed]

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. 开发者_如何转开发 Closed 11 years ago.

I wanna create a loyalty system for various activities on my web app like in the Stack Over Flow with points badges etc.

Can some one point me out how to a guide on how to structure the data and store the things.

does each activity needs its own table etc ?

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Perhaps you should look at http://code.google.com/p/stacked/ which is creating an open source version of StackOverflow.