给列添加备注
　　comment on column TABLE_TEST.NAME is '姓名';
　　comment on column TABLE_TEST.SEX is '性别';
　　comment on column TABLE_TEST.BIRTHDAY is '生日';
　　comment on column TABLE_TEST.HEIGHT is '身高';
　　comment on column TABLE_TEST.WEIGHT is '体重';
　　comment on column TABLE_TEST.MEMO is '备注';
-- 创建约束关系 主键 外键 其他
　　alter table TABLE_TEST add constraint TB_TEST_P_NAME primary key (NAME);