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Pessimistic Locking

appointment = Appointment.find(5)
appointment.lock!
#no other users can read this appointment, 
#they have to wait until the lock is released
appointment.save! 
#lock is released, other users can read this accountClicking "Copy Code" button will copy the code into the clipboard - memory. Please paste(Ctrl+V) it in your destination. The code will get pasted. Happy coding from Wikitechy - ruby on rails tutorial - rails guides - ruby rails - rubyonrails - learn ruby on rails - team

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