create table times ( id integer not null, distance integer not null, time integer not null, created_at timestamptz not null, updated_at timestamptz not null ); comment on table times is ' Time entry '; comment on column times.id is ' Unique time id '; comment on column times.distance is ' Distance in meters '; comment on column times.time is ' Time in seconds '; comment on column times.created_at is ' Creation date-time '; comment on column times.updated_at is ' Last update date-time ';