ecms_download_data_' doesn't exist

ecms_download_data_' doesn't exist
select keyid,dokey,newstempid,closepl,infotags,zhongduan from ***_ecms_download_data_ where id=



    delete from `phome_ecms_download_index` where id not in(select id from phome_ecms_download);
    delete from `phome_ecms_download_data_1` where id not in(select id from phome_ecms_download);