增加外键,级联更新、级联删除:
alter table notes add constraint fk_notes_users foreign key
(name) references users (name) on delete cascade on update cascade
alter table notes add constraint fk_notes_users foreign key
(name) references users (name) on delete cascade on update cascade
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货