Write the command to update rvm in rails.
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What is the rail console?
What is active record in rails?
How is the model view controller framework used in ruby on rails?
what is active record?
What is the process for creating a controller for the subject? What is its role?
How are string and symbol different?
what is sweeper in Rails?
What is the difference between delete and destroy ?
when self.up and self.down method is used?
Explain me what is the difference between concern and application_controller.rb in ruby on rails?
Explain rails migration.
How many types of relationships does a model has?