Ruby on Rails interview questions
Want to become an expert in cracking Ruby on Rails interview questions?
Start with practicing the questions below. Whether a question involves multiple choice or live coding, we will give you hints as you go and tell you if your answers are correct or incorrect.
After that, take our timed public Ruby on Rails interview questions test.
To use our service for testing developers, purchase one of the paid plans for companies.
Select all statements that are correct after the following migration has been executed:
class ContactsMigration < ActiveRecord::Migration
def change
create_table :contacts do |t|
t.string :name
t.integer :telephone_number
t.text :address, null: false
t.timestamps
end
end
end 
A company database contains the following table, in which id is the primary key:
employees
| id | name | age |
|---|---|---|
| 1 | Steve | 21 |
| 2 | John | 44 |
| 3 | Amy | 26 |
| 4 | Marcus | 44 |
Select all the statements that return only the employee with name "John" (id = 2).
If you feel ready, take one of our timed public Ruby on Rails interview questions tests:
- Ruby on Rails online test ( Easy )