Explain testing in rails.
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How to use two databases into a single application?
What is the process for creating a controller for the subject? What is its role?
How many types of associations relationships does a model have?
Mention all the naming conventions in ruby on rails.
what is active record?
How are blocks created?
Please explain what are the positive aspects of rails?
Mention the differences between the observers and callbacks in ruby on rails.
What is the directory structure of rails?
Explain bundler in rails.
Explain testing in rails.
what is different between activerecord::relation's count, length and size methods?