[root@localhost download]# rpm -i MySQL.rpm
warning: MySQL.rpm: V3 DSA signature: NOKEY, key ID 5072e1f5
file /etc/my.cnf from install of MySQL-server-4.0.22-0 conflicts with file from package mysql-3.23.54a-11
file /usr/bin/isamchk from install of MySQL-server-4.0.22-0 conflicts with file from package mysql-3.23.54a-11
file /usr/bin/isamlog from install of MySQL-server-4.0.22-0 conflicts with file from package mysql-3.23.54a-11
file /usr/bin/my_print_defaults from install of MySQL-server-4.0.22-0 conflicts with file from package mysql-3.23.54a-11
file /usr/bin/myisamchk from install of MySQL-server-4.0.22-0 conflicts
with file from package mysql-3.23.54a-11