ALTER TABLE `vlans` ADD `vlan_type` VARCHAR( 16 ) NULL; ALTER TABLE `vlans` CHANGE `vlan_domain` `vlan_domain` INT NULL DEFAULT NULL; ALTER TABLE `vlans` CHANGE `vlan_descr` `vlan_name` VARCHAR( 32 ) CHARACTER SET latin1 COLLATE latin1_swedish_ci NULL DEFAULT NULL; ALTER TABLE `vlans` ADD `vlan_mtu` INT NULL; ALTER TABLE `applications` ADD `app_status` VARCHAR( 8 ) NOT NULL ;