# File lib/active_record/connection_adapters/sqlserver_adapter.rb, line 194
      def native_database_types
        {
          :primary_key => "int NOT NULL IDENTITY(1, 1) PRIMARY KEY",
          :string      => { :name => "varchar", :limit => 255  },
          :text        => { :name => "text" },
          :integer     => { :name => "int" },
          :float       => { :name => "float", :limit => 8 },
          :decimal     => { :name => "decimal" },
          :datetime    => { :name => "datetime" },
          :timestamp   => { :name => "datetime" },
          :time        => { :name => "datetime" },
          :date        => { :name => "datetime" },
          :binary      => { :name => "image"},
          :boolean     => { :name => "bit"}
        }
      end