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SELECT id,nazev,poradi,text,zkracene,url,id_kategorie,kod,datum,datum_zobrazovat FROM prispevek WHERE zobrazovat="A" AND (id_kategorie in(inspirace-profesionalita-kreativita!-takovy-byl-20-rocnik-vystavy-design-blok-na-vystavisti-holesovice) or exists(select * from prispevek_kategorie pk where pk.id_prispevek = prispevek.id and pk.id_kategorie in (inspirace-profesionalita-kreativita!-takovy-byl-20-rocnik-vystavy-design-blok-na-vystavisti-holesovice))) order by datum DESC ,id DESC