SELECT schoolid FROM teacher WHERE teacherid = #{teacherid} select c.schoolid from classes c join studentownclass s on s.classesid = c.classesid and s.status = 1 where s.studentid = #{studentid} and c.classtype=1 and c.status = 1 SELECT * FROM School WHERE schoolid = #{schoolid} SELECT nextval('seq_schoolId') ; SELECT schoolname,schoolid,areaid FROM School WHERE areaid = #{areaId} and status = 1 order by schoolid SELECT s.schoolname,s.schoolid,s.areaid FROM School s INNER JOIN classes c on s.schoolid = c.schoolid WHERE s.areaid = #{areaId} and s.status = 1 and c.status = 1 and c.classlevel = #{classLevel} GROUP BY s.schoolname,s.schoolid,s.areaid,c.classlevel order by s.schoolid INSERT INTO School ( schoolId, schoolName, address, areaId, telephone, url, contactor, cellphone, description, status ,serviceFee ) Values ( #{schoolid}, #{schoolname}, #{address}, #{areaid}, #{telephone}, #{url}, #{contactor}, #{cellphone}, #{description}, #{status} , #{servicefee} )