-- Add/modify columns 
alter table KJ_COLLEGE_SCORE_MAIN add join_school_id NUMBER(10);
-- Add comments to the columns 
comment on column KJ_COLLEGE_SCORE_MAIN.join_school_id
  is '衔接学校ID';
  
  -- Add/modify columns 
alter table KJ_COLLEGE_SCORE_MAIN modify final_auth_oper NUMBER(10);
alter table KJ_COLLEGE_SCORE_MAIN modify school_auth_oper NUMBER(10);