SV_SCLASS SCHOOL_ID, GRADE_ID, CLASS_TYPE, CLASS_NAME, CLASS_CODE, BASESTATION_ID, ID #{SCHOOL_ID}, #{GRADE_ID}, #{CLASS_TYPE}, #{CLASS_NAME}, #{CLASS_CODE}, #{BASESTATION_ID}, #{ID} insert into ( SCHOOL_ID, GRADE_ID, CLASS_TYPE, CLASS_NAME, CLASS_CODE, BASESTATION_ID ) values ( #{SCHOOL_ID}, #{GRADE_ID}, #{CLASS_TYPE}, #{CLASS_NAME}, #{CLASS_CODE}, #{BASESTATION_ID} ) delete from where ID = #{ID} update set SCHOOL_ID = #{SCHOOL_ID}, GRADE_ID = #{GRADE_ID}, CLASS_TYPE = #{CLASS_TYPE}, CLASS_NAME = #{CLASS_NAME}, CLASS_CODE = #{CLASS_CODE}, BASESTATION_ID = #{BASESTATION_ID}, ID = #{ID} where ID = #{ID} select from where ID = #{ID} select from where 1=1 and ( ) select from delete from where ID in #{item}