SV_GRADE SV_GRADE.NAME,SV_GRADE.DESC,REMARK,ID #{NAME}, #{DESC}, #{REMARK}, #{ID} insert into ( SV_GRADE.NAME, SV_GRADE.DESC, REMARK) values (#{NAME},#{DESC},#{REMARK} ) delete from where ID = #{ID} update set SV_GRADE.NAME = #{NAME}, SV_GRADE.DESC = #{DESC}, REMARK = #{REMARK}, ID = #{ID} where ID = #{ID} select from where ID = #{ID} select from where 1=1 select ,sv_schoolgradesubject.SCHOOLGRADESUBJECT_ID FROM sv_grade LEFT JOIN sv_schoolgradesubject on sv_grade.ID = sv_schoolgradesubject.GRADE_ID WHERE 1 =1 and sv_schoolgradesubject.SCHOOL_ID = #{pd.SCHOOL_ID} GROUP BY sv_grade.ID select from select from where sv_grade.ID not IN ( SELECT GRADE_ID FROM sv_schoolgradesubject WHERE sv_schoolgradesubject.SCHOOL_ID = #{SCHOOL_ID} GROUP BY GRADE_ID ) SELECT FROM WHERE sv_grade.ID IN ( SELECT GRADE_ID FROM sv_schoolgradesubject WHERE sv_schoolgradesubject.SCHOOL_ID = #{SCHOOL_ID} GROUP BY GRADE_ID ) delete from where ID in #{item}