create table Tablename (
       id bigint not null,
        column1 varchar(80),
        column2 varchar(80),

    alter table Tablaname 
       add constraint FKleddodtmxd0nvlsmrrh7fu50a 
       foreign key (table_id) 
       references Table (id);

    alter table Tablename 
       add constraint UK3x8esglcfe7vlghsc3fe83g0d unique (x, y, z);