to "AS checkbox_checked" ma ist az za prikaz end
select a.id, a.nazev, case when b.idNewsletter is null then 0 else 1 end AS checkbox_checked
from newsletters_ a
left outer join newsletters_skupiny_hlavni b on a.id=b.idNewsletter
where a.id = 12
to "AS checkbox_checked" ma ist az za prikaz end
select a.id, a.nazev, case when b.idNewsletter is null then 0 else 1 end AS checkbox_checked
from newsletters_ a
left outer join newsletters_skupiny_hlavni b on a.id=b.idNewsletter
where a.id = 12