에러 Query : select A.sangpum_seq , A.cate_seq , A.boonlu_seq , A.sangpum_code , A.sangpum_name , A.sangpum_feature , A.sangpum_info , A.sangpum_image1 , A.sangpum_image2 , A.sangpum_image3 , A.sangpum_detail1 , A.sangpum_detail2 , A.sangpum_detail3 , B.cate_name as NAME , C.cate_name as FIR_NAME from EngBoard_Shop_sangpum as A join EngBoard_Shop_cate as B On A.cate_seq=B.cate_seq join EngBoard_Shop_cate as C On B.cate_per_seq=C.cate_seq where A.sangpum_sort=