It's *very* easy, doesn't generate any data loss whatsoever, and doesn't imply any database change.
Find the explanation here: http://campus.chamilo.org/documentation/installation_guide.html#3._Upgrade_from_a_previous_version_ofIt's *very* easy, doesn't generate any data loss whatsoever, and doesn't imply any database change.
Find the explanation here: http://campus.chamilo.org/documentation/installation_guide.html#3._Upgrade_from_a_previous_version_of
