rails console test of belongs_to association

gistfile1.txt

ruby :032 > site = Site.create(:name => "Boston")
  SQL (0.5ms)  INSERT INTO "sites" ("created_at", "name", "updated_at") VALUES (?, ?, ?)  [["created_at", Tue, 22 Nov 2011 02:28:57 UTC +00:00], ["name", "Boston"], ["updated_at", Tue, 22 Nov 2011 02:28:57 UTC +00:00]]
 => #<Site id: 5, name: "Boston", created_at: "2011-11-22 02:28:57", updated_at: "2011-11-22 02:28:57"> 
ruby :033 > device = Device.create(:name => "hackatron")
  SQL (0.6ms)  INSERT INTO "devices" ("created_at", "name", "site_id", "updated_at") VALUES (?, ?, ?, ?)  [["created_at", Tue, 22 Nov 2011 02:29:13 UTC +00:00], ["name", "hackatron"], ["site_id", nil], ["updated_at", Tue, 22 Nov 2011 02:29:13 UTC +00:00]]
 => #<Device id: 5, name: "hackatron", created_at: "2011-11-22 02:29:13", updated_at: "2011-11-22 02:29:13", site_id: nil> 
ruby :034 > site.devices << device
   (0.4ms)  UPDATE "devices" SET "site_id" = 5, "updated_at" = '2011-11-22 02:29:39.327808' WHERE "devices"."id" = 5
  Device Load (0.2ms)  SELECT "devices".* FROM "devices" WHERE "devices"."site_id" = 5
 => [#<Device id: 5, name: "hackatron", created_at: "2011-11-22 02:29:13", updated_at: "2011-11-22 02:29:39", site_id: 5>] 
ruby :035 > device.site.name
  Site Load (0.2ms)  SELECT "sites".* FROM "sites" WHERE "sites"."id" = 5 LIMIT 1
 => "Boston" 
ruby :036 >