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Rails db migrate

Code examples

5
0

rails g migration add columns 

$ rails generate migration AddDetailsToProducts part_number:string price:decimal
4
0

how create migration rails 

rails g migration AddPartNumberToProducts
2
0

activerecord add column 

class AddPartNumberToProducts < ActiveRecord::Migration[6.0]
  def change
    add_column :products, :part_number, :string
  end
end
1
0

using SQL in rails migration 

def change
  execute <<-SQL
    UPDATE table1
    SET column1 = "value"
  SQL
end
1
0

ruby on rails db migrate 

rails db:migrate
0
0

rials db down 

bin/rails db:migrate:down VERSION=YYYYMMDDHHMMSS

Similar pages

Similar pages with examples

using SQL in rails migration
rails migration create table with foreign key
rails db migrate
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rails db:migrate
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