How do I find only duplicate entries in a database table?

Question Posted / rohit pant

No Answer is Posted For this Question
Be the First to Post Answer

More Ruby on Rails Interview Questions

what is the difference between calling super() and super call?

Write a program to show the functionality of request.xhr in ruby on rails ?

What is the purpose of load, auto_load, and require_relative in ruby ?

what is the command to create a migration?

What are the various components of rail?

what is the difference between Active support’s “HashWithIndifferent” and Ruby’s “Hash” ?

Explain rvm in rails?

Mention the differences between the observers and callbacks in ruby on rails.

What are the types of caching used in rails, what are they?

What are the different components of rails ?

What is the naming convention for variables?

Is ruby on rails dying?

For more Ruby on Rails Interview Questions Click Here