What is rails active record?
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What are the various changes between the rails version 2 and 3?
How to serialize data with yaml?
What is the function of orm in ruby on rails?
What are float, dig and max?
what is Polymorphic Association in Ruby on Rails?
How are blocks created?
what is Rails Active Record in Ruby on Rails?
what are helpers and how to use helpers in ror?
what is the log that has to seen to check for an error in ruby rails?
what is ORM (Object-Relationship-Model) in Rails?
What is the difference between symbol and string?
Write the command to run the migration.