Špatný dotaz: Unknown column 'vyhlaseni' in 'where clause'
SELECT id,nazev,poradi,text,zkracene,url,id_kategorie,kod,datum,datum_zobrazovat FROM prispevek WHERE zobrazovat="A" AND (id_kategorie in(vyhlaseni-dalsiho-kola-prijimaciho-rizeni-v-denni-a-v-dalkove-forme-vzdelavani-pro-rok-20162017) or exists(select * from prispevek_kategorie pk where pk.id_prispevek = prispevek.id and pk.id_kategorie in (vyhlaseni-dalsiho-kola-prijimaciho-rizeni-v-denni-a-v-dalkove-forme-vzdelavani-pro-rok-20162017))) order by datum DESC ,id DESC