select answer_id
from evaluation_answers
where party_id = :user_id
select evaluation_id, grade
from evaluation_student_evals
where party_id = :user_id
update evaluation_answers
set party_id = :to_user_id
where party_id = :from_user_id
update evaluation_student_evals
set party_id = :to_user_id
where party_id = :from_user_id