SQLite数据库建立主键/外键的方法
发布时间:2020-12-12 19:38:32 所属栏目:百科 来源:网络整理
导读:create table t_group ( id integer, primary key (id) ); create table t_user ( id integer, name text, groupId integer, primary key(id), foreign key (groupId) references t_group(id) on delete cascade on update cascade ); insert into t_group va
create table t_group
( id integer, primary key (id) ); create table t_user ( id integer, name text, groupId integer, primary key(id), foreign key (groupId) references t_group(id) on delete cascade on update cascade ); insert into t_group values(1); insert into t_group values(2); insert into t_user values(1,"j",2); insert into t_user values(2,"a",3); (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |