ActiceRecord Datatypes
List of the datatypes used in Rails migrations and other places

Built in standard data types

• ActiveRecord has these built in
• As an ORM, it promises that all the databases that it supports will have an analog to these
  • primary_key
  • string
  • text
  • integer
  • bigint
  • float
  • decimal
  • numeric
  • datetime
  • time
  • date
  • binary
  • boolean
• Certain databases, notably Postgres, has some very interesting additional types: ActiveRecord Postgres
• To use them you need to go outside the built in ActiveRecord datatypes