[daraemon]

Query1.Close;
Query1.SQL.Clear;
Query1.SQL.Add('SELECT DISTINCT glav.IDych, glav.Family, glav.Name, glav.SecName, glav.Pol, glav.DataRozh, groop.Nazvanie, gorod.Nazv, gorod.IDgorod, glav.Ylica, glav.Dom, glav.Kv, glav.Telefon, master.Family, glav.PocleEnd, spec.Kratkoe');
Query1.SQL.Add('FROM glav, groop, gorod, master, spec');
Query1.SQL.Add('join glav on glav.IDgroop=groop.IDgroop');
Query1.SQL.Add('join glav on glav.IDgorod=gorod.IDgorod');
Query1.SQL.Add('join glav on glav.IDmaster=master.IDmaster');
Query1.SQL.Add('join glav on glav.IDspec=spec.IDspec');
Query1.Open;
DBGrid1.Refresh;

работает спасибо