How can i check and optimize all Zimbra databases and tables?

#!/bin/bash
#
 
source ~zimbra/bin/zmshutil || exit 1
zmsetvars zimbra_home mysql_directory mysql_socket mysql_root_password
 
echo ${mysql_root_password}
 
${mysql_directory}/bin/mysqlcheck --all-databases --optimize -h localhost -P 7306 --protocol=tcp \
        --user=root --password=${mysql_root_password} $*