select id, name, parent_id, category_type, status,sort,version, create_by, create_time, update_by, update_time, remark from sys_category AND name like concat('%', #{name}, '%') AND status =#{status} order by create_time desc select id,name,parent_id from sys_category where name=#{name} and parent_id=#{parentId} limit 1 select count(1) from ex_course where category_id=#{categoryId} and del_flag=0 select count(1) from ex_question_bank where category_id=#{categoryId} and del_flag=0