User DSN : only the current user on the machine can use the DSN. System DSN : all users and in particular Web Applications on the machine can use this (use in JSP page) File DSN: like a persistent DSN on the machine across users for more info check ODBC Administrator help.
Joined: Mar 22, 2002
thanx Uma for your valuable response. yashendra
subject: difference in User DSN,File DSN & System DSN