select id, name, pid, subjectId, pharseId, sort, oldId, level, unique_code,videoKnowledgeId,questionsCount from knowledge_tree insert into knowledge_tree name, pid, subjectId, pharseId, sort, oldId, level, unique_code, #{name}, #{pid}, #{subjectId}, #{pharseId}, #{sort}, #{oldId}, #{level}, #{uniqueCode}, update knowledge_tree name = #{name}, pid = #{pid}, subjectId = #{subjectId}, pharseId = #{pharseId}, sort = #{sort}, oldId = #{oldId}, level = #{level}, unique_code = #{uniqueCode}, where id = #{id} delete from knowledge_tree where id = #{id} delete from knowledge_tree where id in #{id}