# Pastebin aI8O8mug
MBP-de-Fernando:test-altreus fernando$ cat Schema.pm6 
use Red;

model Organisation is rw {
    has Int   $.id        is id;
    has       @.students  is relationship({.org-id }, :model<Student>, :require<Schema>);
}

model Student is rw {
    has Str   $.email     is id;
    has Str   $.name      is column;
    has Int   $!org-id    is referencing{ :model<Organisation>, :require<Schema>, :column<id> };

    has       $.org       is relationship({ .id }, :model<Organisation>, :require<Schema>);
}
MBP-de-Fernando:test-altreus fernando$ 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$