SELECT * FROM exam_room WHERE id_ = #{id} SELECT * FROM exam_room ORDER BY id_ INSERT INTO exam_room (id_,exam_mode_,exam_location_id_,subject_id_list_,main_teacher_user_id_, assistant_teacher_user_id_list_,exam_time_json_,del_flag_,create_time_,update_time_,tenant_id_) VALUES(#{id},#{examMode},#{examLocationId},#{subjectIdList},#{mainTeacherUserId},#{assistantTeacherUserIdList}, #{examTimeJson},#{delFlag},NOW(),NOW(),#{tenantId}) UPDATE exam_room del_flag_ = #{delFlag}, exam_time_json_ = #{examTimeJson}, subject_id_list_ = #{subjectIdList}, tenant_id_ = #{tenantId}, update_time_ = #{updateTime}, exam_mode_ = #{examMode}, exam_location_id_ = #{examLocationId}, main_teacher_user_id_ = #{mainTeacherUserId}, assistant_teacher_user_id_list_ = #{assistantTeacherUserIdList}, WHERE id_ = #{id} DELETE FROM exam_room WHERE id_ = #{id} SELECT * FROM exam_room ORDER BY id_ SELECT COUNT(*) FROM exam_room