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


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

Post New Answer

More Ruby on Rails Interview Questions

what is the purpose of the resources method in the code snippet below?

0 Answers  


how can we define Ruby regular expressions?

0 Answers  


What role do sub-directory app/helpers and app/controllers play?

0 Answers  


Explain me what is the role of rails controller?

0 Answers  


How are blocks created?

0 Answers  


Mention the log that has to be seen to report errors in Ruby Rails?

0 Answers  


what is ORM (Object-Relationship-Model) in Rails?

0 Answers  


Explain me what is the function of orm in ruby on rails?

0 Answers  


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

0 Answers  


What are the different filters used in ruby on rails?

0 Answers  


how many types of callbacks available in ror?

0 Answers  


what is rake in Rails?

0 Answers  


Categories