関連ワード:  alter table change data type postgres    alter table change column type postgres    alter table change column type postgres example    alter table update column type postgres    alter table change column type psql    alter table modify column datatype in postgresql    alter table modify column data type postgresql example    postgresql alter table change column type to timestamp with timezone    postgres alter table change column type not null    postgresql alter table change column type varchar length  
結果 : alter table change data type postgres