foreign_key.result

这是linux下运行的mysql软件包,可用于linux 下安装 php + mysql + apach 的网络配置

drop table if exists t1;
create table t1 (
a int not null references t2,
b int not null references t2 (c),
primary key (a,b),
foreign key (a) references t3 match full,
foreign key (a) references t3 match partial,
foreign key (a,b) references t3 (c,d) on delete no action
on update no action,
foreign key (a,b) references t3 (c,d) on update cascade,
foreign key (a,b) references t3 (c,d) on delete set default,
foreign key (a,b) references t3 (c,d) on update set null);
create index a on t1 (a);
create unique index b on t1 (a,b);
drop table t1;