Advanced ActiveRecord tutorials

Any recommendations for good advanced tutorials on ActiveRecord in
Rails4?

I’m interested in joins, group, counts especially for deep associations.

Thanks,
Ganesh

On Monday, February 24, 2014 3:40:10 PM UTC+5:30, Ganesh Ranganathan
wrote:

Any recommendations for good advanced tutorials on ActiveRecord in Rails4?

I’m interested in joins, group, counts especially for deep associations.

Thanks,
Ganesh

Hi Ganesh,

The official Ruby on Rails guides has a pretty extensive coverage of
ActiveRecord http://guides.rubyonrails.org/active_record_querying.html
If you want to achieve something specific, then you’ll find a lot of
tutorials for that. And as always you can ask here as well :slight_smile:

Hope this helps.


Steve R.son
about.me/steverob

On Monday, February 24, 2014 5:10:10 AM UTC-5, Ganesh Ranganathan wrote:

Any recommendations for good advanced tutorials on ActiveRecord in Rails4?

I’m interested in joins, group, counts especially for deep associations.

Thanks,
Ganesh

It’s not really a tutorial, but if you really want an advance discussion
and in-depth coverage of ActiveRecord, I would recommend The Rails 4
Way
which,
in my opinion, is the best reference for back end development on Rails.
I
don’t have any connection to the book or its authors, but I use it a
lot.

Here’s a list of articles on advanced ActiveRecord, quite old but I
think
they are still relevant.

http://railscasts.com/episodes/215-advanced-queries-in-rails-3?view=asciicast
http://railscasts.com/episodes/239-activerecord-relation-walkthrough?view=asciicast
http://erniemiller.org/2010/03/28/advanced-activerecord-3-queries-with-arel/
http://learntribe.com/kevinelliott/ruby_on_rails_advanced_activerecord

Have a nice day and good reading !

Cheers

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