activerecord Examples and Free Source Code

Select only one column from multiple rows in Codeigniter...

php arrays codeigniter activerecord resultset

How do you reference only the persisted records in an active record association...

ruby-on-rails activerecord

How to sort activerecord query by specific prority...

ruby-on-rails ruby-on-rails-3 activerecord

How to find a session record in the database using the cookie value in an Rails app using activereco...

ruby-on-rails activerecord

How to prevent ActiveRecord from making an associated record in a callback before it is saved?...

ruby-on-rails activerecord rspec associations factory-bot

Drop index concurrently when testing Rails migration in Rspec...

ruby-on-rails ruby postgresql activerecord

How to pluck "as alias_name" from rails active record query...

sql ruby-on-rails postgresql ruby-on-rails-4 activerecord

Postgres: What does @@ (double at symbol) mean?...

ruby-on-rails postgresql activerecord ruby-on-rails-5 ruby-on-rails-6

Codeigniter LIKE with wildcard(%)...

php sql mysql codeigniter activerecord

Active Record Delete works false...

php activerecord yii

Code Igniter - remove single quotes from where_in...

php codeigniter activerecord

Why is Rails numericality validator not using normalized value?...

ruby-on-rails activerecord

rails 2.3.5 - bug makes ActiveRecord::Base.configurations false. How do I track it down?...

ruby-on-rails ruby activerecord

Preventing ActiveRecord migration from making huge changes in db/structure.sql...

sql ruby-on-rails ruby postgresql activerecord

How to destroy a bi-directional has_one association from either end?...

ruby-on-rails activerecord rails-activerecord

multiple database connections with has_many through...

ruby-on-rails activerecord ruby-on-rails-3.1 has-many-through

Random ActiveRecord::StatementInvalid errors on Rails 4 app on Heroku...

ruby-on-rails ruby ruby-on-rails-4 heroku activerecord

Ruby Gem ActiveRecord find method with multiple conditions...

ruby-on-rails ruby activerecord rubygems sinatra-activerecord

How can I successfully to use limit() method with subqueries with Rails and SQL Server Adapter...

ruby-on-rails sql-server activerecord tiny-tds

Rails round Active Record query result...

ruby-on-rails activerecord

Ruby: add_reference in migration throws error: Table has no foreign key for...

ruby-on-rails ruby activerecord

Best way to return recently created object in ActiveRecord?...

ruby-on-rails ruby activerecord rails-activerecord

ActiveRecord select a string field has a certain length in Rails 3?...

ruby-on-rails activerecord

Join multiple conditions using Where method in Rails ActiveRecord...

ruby-on-rails ruby postgresql activerecord ruby-on-rails-4

Can you do greater than comparison on a date in a Rails 3 search?...

ruby-on-rails activerecord ruby-on-rails-3

What ActiveRecord Transaction doesn't rollback?...

ruby-on-rails activerecord

Multiple databases in Rails...

ruby-on-rails database activerecord

Rails AjaxDatatablesRails::ActiveRecord LEFT JOIN to the same model lead to error for search...

ruby-on-rails ruby activerecord datatable

Custom query to fetch all entries of a table and that only contains first of many duplicates based o...

ruby-on-rails postgresql ruby-on-rails-3 activerecord

Book.all action displaying empty results...

ruby-on-rails ruby activerecord model controller