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Migrations Edit

Migrations are database schemas that tell ruby how to create or undo database changes.

Example Migration Edit

 class CreateUsers < ActiveRecord::Migration
 def change
   create_table :users do |t|
     t.string :username
     t.string :password
     t.string :email
     t.timestamps
   end
 end
 end


this would create the following

Field Type
id int(11) AUTOINCREMENT
username varchar(255)
password varchar(255)
email varchar(255)
created_at datetime
updated_at datetime

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