tente a junção interna em vez de sub-consulta, é o padrão para orientar a consulta sem executar em dados, mas pode estar seguindo a consulta para ajudá-lo.

SELECIONE User .id , User .username , User .password , User .role , User .created , User .modified , User .email , User .other_user_id , User .first_name , User .last_name , User .place_id , Resume .id , Resume .user_id , Resume .other_resume_id , Resume .other_user_id , Resume .file_extension , Resume .created , Resume .modified , Resume .is_deleted , Resume .has_file , Resume .is_stamped , Resume .is_active

DE streetofwalls .users AS User
LEFT JOIN my_database .attempts AS Attempt ATIVADO (Attempt .user_id =User .id E Attempt .test_id !=5)LEFT JOIN my_database .reports AS Resume ATIVADO (Resume .user_id =User .id )

, my_database .users AS Usuário1

LEFT JOIN my_database .tags_users AS TagUser ativado (User1 .id =TagUser .user_id )

LEFT JOIN my_database .tags AS Tag ON (TagUser .tag_id =Tag .id )

ONDEUser .id =User1 .id E Attempt .test_id =8AND Attempt .score> 60
E Resume .has_file =1AND Tag .id ='8' E Tag .id !='3'GRUPO POR User .id ORDER POR Attempt .score DESC;