select q.id, q.app_id as appId, q.question, q.create_time from question q where q.app_id = #{appId} ORDER BY q.create_time desc insert into question( id, app_id, question, create_time )values( #{id}, #{appId}, #{question}, sysdate() ) select q.id, q.app_id as appId, q.question, q.create_time from question q where q.id = #{id} delete from question where id = #{id} update question set question = #{question} where id = #{id} delete from question where app_id = #{appId}