hello every one.... i am new to mappings..

here...i have two database..in first database..i have a table "Ex1".. here i am saving my phone number like normal way...i.e(023456789)..here i am creating a mapping that transfer data from database 1 to 2..in my second database i want to store the phone number with country code also i.e(+1 0234567890)..so how can i create a mapping for above problem..

thanks in advance..