lay1bangtheophantualias select * from `tbraovat` where `raovat_alias` = 'dich-thuat-dang-that-su-can-thiet-trong-quan-he-hop-tac' and `raovat_kichhoat` = 1 order by `raovat_id` desc limit 0,1 Unknown column 'raovat_kichhoat' in 'where clause'