alter table master_app_production.customers change tel tel varchar(40) COMMENT "電話番号";
alter table master_app_production.customers change fax fax varchar(40) COMMENT "FAX番号";

alter table master_app_production.deliveries change tel tel varchar(40) COMMENT "電話番号";
alter table master_app_production.deliveries change fax fax varchar(40) COMMENT "FAX番号";

alter table master_app_production.suppliers change tel tel varchar(40) COMMENT "電話番号";
alter table master_app_production.suppliers change fax fax varchar(40) COMMENT "FAX番号";

alter table master_app_production.warehouses change tel tel varchar(40) COMMENT "電話番号";
alter table master_app_production.warehouses change fax fax varchar(40) COMMENT "FAX番号";

