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activerecord 4.2.9.rc2

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. 4.2.9.rc2 June 19, 2017 (325 KB)
Show all versions (519 total)

Runtime Dependencies (3):

activemodel = 4.2.9.rc2
activesupport = 4.2.9.rc2
arel ~> 6.0
Show all transitive dependencies

Managed By:

Rails

Outside Contributors

Authors:

  • David Heinemeier Hansson

SHA 256 checksum:

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Total downloads 774,765,600

For this version 3,989

Version Released:

License:

MIT

Required Ruby Version: >= 1.9.3

New versions require MFA: true

Required Rubygems Version: > 1.3.1

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