i want to develop a system wher the database is in the server, and
there are some 20 system continous accessing the data and updating the
data. How can this be synchronized (cache coherency)so that, every one
gets the correct information. I will be using VB for the front end and
Microsoft Access as the backend

Jatinashara

First by not using Access however SQL Express.
(Access needs a shared folder and cannot be used over the internet)

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnsse/html/sseoverview.asp

I hope this helps for a better start.

Cor

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