Dear all,

        I�m new on writing internet aplications.  This aplication needs a login for
a user that uses this conection to execute a lot of operations till a
logoff.  I�m trying now with servlets and I'm having some doubts :

1 - Using servlets to connect to a RDBMS, what is better :  a single
connection or a connection for each user.
2 - If I use a connection for each user how do I access this conection from
a different servlet
3 - Is better use one single servlet that switchs operations depending on a
variable or create a servlet for each kind of operation.
4 - Is better using an aplication server ? Is there any with a good price or
for free ?

Thanks in advance,

        Henrique M.

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