Difference between revisions of "Rails:Migrations"

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(Created page with "== Official Documentation == * https://guides.rubyonrails.org/active_record_migrations.html == Schema Migrations == === Generate a Migration === ==== Add a Column ==== == Da...")
 
(Generate a Migration)
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== Schema Migrations ==
 
== Schema Migrations ==
 
=== Generate a Migration ===
 
=== Generate a Migration ===
==== Add a Column ====
+
==== Generic ====
 +
<pre># rails g migration <name>
 +
rails g migration CreateCruds</pre>
  
 
== Data Migrations ==
 
== Data Migrations ==

Revision as of 17:03, 27 October 2019

Official Documentation

Schema Migrations

Generate a Migration

Generic

# rails g migration <name>
rails g migration CreateCruds

Data Migrations

What if you need to do a data migration or data fix on existing data?