how can i connect to a mongodb from Ruby code?

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how can i connect to a mongodb from Ruby code ?

Kir · Accepted Answer · 2010-12-17 15:29:47Z

15

Firstly, you have to install MongoDb gem:

gem install mongo

Then run code:

require 'rubygems'  # not necessary for Ruby 1.9
require 'mongo'
db = Mongo::Connection.new.db("mydb") # OR
db = Mongo::Connection.new("localhost").db("mydb") # OR
db = Mongo::Connection.new("localhost", 27017).db("mydb")

answered Dec 17, 2010 at 15:29

Kir

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Daniel Kehoe · Accepted Answer · 2011-01-03 00:46:37Z

4

Kir's answer is appropriate if you are working only with Ruby. But if you are developing a Rails app, you likely will want to connect to MongoDB with an ORM such as:

Using an ORM will give you the functionality Rails developers are familiar with in ActiveRecord. See a list of MongoDB Clients on http://ruby-toolbox.com/.

answered Jan 3, 2011 at 0:46

Daniel Kehoe

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ceejayoz · Accepted Answer · 2010-12-17 14:31:59Z

3

Short version: install the Mongo gem, then db = Mongo::Connection.new.db("mydb")

answered Dec 17, 2010 at 14:31

ceejayoz

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ceejayoz Over a year ago

As a side note, these were Google search results #1 and #2 for "mongodb ruby".

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