diff --git a/db/migrate/20110228201109_foreign_key_constraints.rb b/db/migrate/20110228201109_foreign_key_constraints.rb
new file mode 100644
index 000000000..4ad8624ca
--- /dev/null
+++ b/db/migrate/20110228201109_foreign_key_constraints.rb
@@ -0,0 +1,28 @@
+class ForeignKeyConstraints < ActiveRecord::Migration
+  def self.up
+    add_foreign_key(:aspect_memberships, :contacts, :dependent => :delete)
+    add_foreign_key(:aspect_memberships, :aspects, :dependent => :restrict)
+
+    add_foreign_key(:comments, :posts, :dependent => :delete)
+    add_foreign_key(:comments, :people, :dependent => :delete)
+
+    add_foreign_key(:posts, :people, :dependent => :delete)
+
+    add_foreign_key(:contacts, :people, :dependent => :delete)
+
+    add_foreign_key(:invitations, :users, :dependent => :delete, :column => :sender_id)
+    add_foreign_key(:invitations, :users, :dependent => :delete, :column => :recipient_id)
+
+    add_foreign_key(:notification_actors, :notifications, :dependent => :delete)
+
+    add_foreign_key(:profiles, :people, :dependent => :delete)
+
+    add_foreign_key(:requests, :people, :dependent => :delete, :column => :sender_id)
+    add_foreign_key(:requests, :people, :dependent => :delete, :column => :recipient_id)
+
+    add_foreign_key(:services, :users, :dependent => :delete)
+  end
+
+  def self.down
+  end
+end