An association is a connection between two Active Record models. It makes much easier to perform various operations on the records in your code. We will divide associations into four categories: 1. One to One 2. One to Many 3. Many to Many 4. Polymorphic One to Many If you

While working on a Rails application, we all have had to change the database column in some way. You can change the column name and the column type, as well as changing the column with the type conversion. Changing the Column Name Before we can change a column, we have

Rake is a utility built into Ruby and Rails, which provides an efficient way for managing database changes. You can easily migrate database changes to servers by only using a command line! You might be asking yourself during your application development: * What happens when using rake database commands? * When should

Scaffolding in Ruby on Rails refers to the auto-generation of a set of a model, views and a controller usually used for a single database table. For example, you can auto-generate a ready to use controller, model, and views with a full CRUD (Create, Read, Update, Delete) web interface for