New posts in rails-activerecord

Counting the number of queries performed

rails-activerecord mysql ruby-on-rails rspec

In Rails 4.1, how to find records by enum symbol?

ruby-on-rails ruby ruby-on-rails-4 rails-activerecord ruby-on-rails-4.1

Cascade delete in Ruby ActiveRecord models?

ruby-on-rails rails-activerecord database-relations

ActiveRecord::SubclassNotFound: The single-table inheritance mechanism failed to locate the subclass

ruby-on-rails inheritance rails-activerecord

Add nullable foreign key in Rails

ruby-on-rails ruby ruby-on-rails-4 rails-activerecord ruby-on-rails-4.2

Creating a PostgreSQL sequence to a field (which is not the ID of the record)

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

Ruby on rails - Reference the same model twice?

ruby-on-rails rails-activerecord relationship

Ruby rails - select only few columns from the data base

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

query , can not select column count

ruby-on-rails ruby activerecord rails-activerecord

How to write SQL in a migration in Rails

sql postgresql ruby-on-rails-3 migration rails-activerecord

SQL where joined set must contain all values but may contain more

sql ruby-on-rails postgresql rails-activerecord relational-division

Does rename_column take care of indexes?

ruby-on-rails ruby-on-rails-3 activerecord rails-activerecord database-indexes

Difference between Active Model, Active Record and Active Resource

ruby-on-rails-3 rails-activerecord activemodel activeresource

has_many, belongs_to relation in active record migration rails 4

ruby-on-rails rails-activerecord ruby-on-rails-4 rails-migrations

Rails has_one :through association

ruby-on-rails associations rails-activerecord rails-models

ActiveRecord Find By Year, Day or Month on a Date field

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

Rolling back a failed Rails migration

mysql ruby-on-rails rails-activerecord rails-migrations

Heroku Postgres Error: PGError: ERROR: relation "organizations" does not exist (ActiveRecord::StatementInvalid)

ruby-on-rails postgresql heroku rails-activerecord

How to skip ActiveRecord callbacks? [duplicate]

ruby-on-rails rails-activerecord

LEFT OUTER JOIN in Rails 4

sql ruby-on-rails ruby-on-rails-4 rails-activerecord mysql2