Explain rails caching levels.
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Explain how does rails implement ajax?
What are the differences betweeen Rails 2.x and Rails 3
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what is active record?
Mention the differences between the observers and callbacks in ruby on rails.
How are string and symbol different?
What are the different types of association relationships that exist?
Explain view in rails?
What is the architecture of Model views and controllers
What are the three methods to install ruby on rails?
what is the difference between calling super() and super call?
what is Rails Migration?
How can you run rails without creating databases?