The Fastest Way To Load Data Into Postgres With Ruby on Rails

Data migration is a delicate and sometimes complicated and time-consuming process. Whether you are loading data from a legacy application to a new application or you just want to move data from one database to another, you’ll most likely need to create a migration script that will be accurate, efficient, and fast to help with the process — especially if you are planning to load a huge amount of data.There are several ways you can load data from an old Rails app or other application to Rails. In this article, I’ll explain a few ways to load data to a PostgreSQL database with Rails. We’ll go over their pros and cons, so you can choose the method that works best for your situation.