<sql>SELECT a.id,a.exam_name,a.exam_time,a.exam_time_end,a.exam_model,a.grade_id,a.grade_name,a.exam_type,a.model FROM single_yuejuan_source_process.bus_exam as a left join single_yuejuan_source_process.task_list as b on a.id=b.exam_id WHERE b.del_flag=0 and a.id=${exam_id}</sql>
<sql>SELECT a.id,a.exam_name,a.exam_time,a.exam_time_end,a.exam_model,a.grade_id,a.grade_name,a.exam_type,b.model FROM single_yuejuan_source_process.bus_exam as a left join single_yuejuan_source_process.task_list as b on a.id=b.exam_id WHERE b.del_flag=0 and a.id=${exam_id}</sql>