u011732393
若水三千丈
2018-01-06 04:48

请问在面的代码是什么意思,有没有错误,我引用别人的代码的,但是报错

5
  • oracle

select floor(sysdate - to_date('20020405','yyyymmdd')) from dual;

create sequence users_id
minvalue 1
maxvalue 99999
start with 1
increment by 1;

create sequence admin_id
minvalue 1
maxvalue 99999
start with 1
increment by 1;

create sequence book_id
minvalue 1
maxvalue 99999
start with 1
increment by 1;

create sequence ub_id
minvalue 1
maxvalue 99999
start with 1
increment by 1;

  • 点赞
  • 回答
  • 收藏
  • 复制链接分享

5条回答