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Developer-C 11.1
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create table people (id int, name text) select 1 id, 'John' name union all select 2 , 'Mark' union all select 3 , 'Igor';
create table vehicles (id int, model text) select 11 id,'digger' model union all select 12 ,'crane';
create table ownerchanges (old_person_id int, new_person_id int, vehicle_id int, cdate date) select null old_person_id, 1 new_person_id, 11 vehicle_id, '2018-01-01' cdate union all select 1 , 3 , 11 , '2018-01-02' union all select 3 , 2 , 11 , '2018-01-03' union all select null , 1 , 12 , '2018-01-01' union all select 1 , 3 , 12 , '2018-01-02' ;
select v.id, v.model, p.id, p.name from vehicles v, people p, ownerchanges o, (select oc.vehicle_id, max(oc.cdate) maxdate from ownerchanges oc group by oc.vehicle_id) last where o.vehicle_id = last.vehicle_id and o.cdate = last.maxdate and o.vehicle_id = v.id and o.new_person_id = p.id;
id
model
id
name
11
digger
2
Mark
12
crane
3
Igor