Unknown column 'a.id_member' in 'field list'syntax error: SELECT a.id_member as id_member,b.dientich as dientich,a.id as id,a.sp_khuyenmai as hot,a.banchay as new,b.diachi as diachi,a.ten_vi as ten,a.tenkhongdau as tenkhongdau,a.photo as photo,a.giaban as giaban,c.ten_vi as tinh,b.id_tinh as id_tinh,d.ten_vi as huyen FROM  table_product WHERE hienthi=1 AND type='tin-rao'  AND id_item=''  order by stt,ngaytao desc  limit 0,8