MongoDB : C++ で書かれた高速なドキュメント指向DB - ヽ( ・∀・)ノくまくまー(2009-07-02)require 'rubygems' ###################################################################### ### ActiveRecord (PostgreSQL) require 'active_record' ActiveRecord::Base.establish_connection(:adapter=>"postgresql", :database=>"jpop", :user=>"maiha") module PG class Song < ActiveRecord::Base # Indexes: "index_songs_singer" btree (singer) end end # p PG::Song.count # => 64482 ##############################
MongoDB 3.0.8 is released - MongoDB Blog
