SV_SUBJECT CNAME, ENAME, REMARK, ID #{CNAME}, #{ENAME}, #{REMARK}, #{ID} insert into ( CNAME, ENAME, REMARK ) values ( #{CNAME}, #{ENAME}, #{REMARK} ) delete from where ID = #{ID} update set CNAME = #{CNAME}, ENAME = #{ENAME}, REMARK = #{REMARK}, ID = ID where ID = #{ID} select from where ID = #{ID} select from where 1=1 and ( ) select from delete from where ID in #{item}