Tuple Oriented

Question

Hi In rdbms the Tuple-oriented relational calculus differ from domain-oriented relational calculus and how to explain with example ? Thanks

Satyapriya Nayak · Answer

Hi Arjun The tuple-oriented calculus uses a tuple variables i.e. variable whose only permitted values are tuples of that relation. E.g. QUEL The domain-oriented calculus has domain variables i.e. variables that range over the underlying domains instead of over relation. E.g. ILL DEDUCE. Thanks