activerecord 4.2.0.beta1

Databases on Rails. Build a persistent domain model by mapping database tables to Ruby classes. Strong conventions for associations, validations, aggregations, migrations, and testing come baked-in.

Gemfile:
=

install:
=

Versions:

8.1.3 March 24, 2026 (556 KB)
8.1.2.1 March 23, 2026 (555 KB)
8.1.2 January 08, 2026 (554 KB)
8.1.1 October 28, 2025 (554 KB)
8.1.0 October 22, 2025 (554 KB)
4.2.0.beta1 August 20, 2014 (309 KB)

Show all versions (519 total)

Runtime Dependencies (3):

activemodel = 4.2.0.beta1

activesupport = 4.2.0.beta1

arel < 6.1, >= 6.0.0.beta1

Show all transitive dependencies

Managed By:

Rails

Outside Contributors

Authors:

David Heinemeier Hansson

SHA 256 checksum:

=

Total downloads 779,460,883

For this version 31,617

Version Released:
August 20, 2014 2:34am

License:
MIT

Required Ruby Version: >= 1.9.3

New versions require MFA: true

Required Rubygems Version: > 1.3.1

Links:

Homepage Documentation Download Review changes Badge RSS Analytics Report abuse Reverse dependencies