> Model Employee
> --------------
> def self.list
> find(:all)
> end
This is a class method inside Employee Model. it can also be written as
def Employee.list
find(:all)
end
This kind of methods can be called without the instance of the Model
class.
>
> In some case it is used inside
>
> Model Employee
> --------------
> def list
> self.find(:all)
> end
This one is Instance method of Model class Employee
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