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activerecord 4.1.12

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:
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install:
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Versions:

  1. 8.1.3 March 24, 2026 (556 KB)
  2. 8.1.2.1 March 23, 2026 (555 KB)
  3. 8.1.2 January 08, 2026 (554 KB)
  4. 8.1.1 October 28, 2025 (554 KB)
  5. 8.1.0 October 22, 2025 (554 KB)
  6. 4.1.12 June 25, 2015 (310 KB)
Show all versions (519 total)

Runtime Dependencies (3):

activemodel = 4.1.12
activesupport = 4.1.12
arel ~> 5.0.0
Show all transitive dependencies

Managed By:

Rails

Outside Contributors

Authors:

  • David Heinemeier Hansson

SHA 256 checksum:

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Total downloads 778,263,943

For this version 301,914

Version Released:

License:

MIT

Required Ruby Version: >= 1.9.3

New versions require MFA: true

Links:

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