# Pastebin zpuYMmSl
MBP-de-Fernando:test-altreus fernando$ cat Schema.pm6 
use Red;

model Student { ... }

model Organisation is rw {
    has Int     $.id        is id;
    has Student @.students  is relationship{.org-id };
}

model Student is rw {
    has Str          $.email     is id;
    has Str          $.name      is column;
    has Int          $!org-id    is referencing{ Organisation.id };

    has Organisation $.org       is relationship{ .id };
}
MBP-de-Fernando:test-altreus fernando$ perl6 -e '
use lib ".";

use Red;
use Schema;

my $*RED-DB = database "SQLite", :database<./hootboxes.db>;

Organisation.^create-table: :if-not-exists;
Student.^create-table: :if-not-exists;

'
MBP-de-Fernando:test-altreus fernando$