Vazba
SQL vazba z tabulky D0PLAN na tabulku D0_PL_ETYPE
select *
from D0PLAN d0plan
left outer join D0_PL_ETYPE d0_pl_etype on d0_pl_etype.idpk = d0plan.idpk_event_type
select *
from D0PLAN d0plan
left outer join D0_PL_ETYPE d0_pl_etype on d0_pl_etype.idpk = d0plan.idpk_event_type