server/ses-manage/sql/2019-08/2019-08-01.sql

-- Add/modify columns 
alter table PL_MAJOR add is_net_exam NUMBER(1);
alter table PL_MAJOR add is_live_enrol NUMBER(1);
-- Add comments to the columns 
comment on column PL_MAJOR.is_net_exam
  is '是否网考0：否1：是';
comment on column PL_MAJOR.is_live_enrol
  is '是否现场报考0：否1：是';