LAB on Object-Relational Database using Oracle 18C

The objects are naturally extensible, meaning that the attributes and methods of one object can be made available to one or more objects. This property is called as inheritance. The object which inherits the behavior of other objects is called as a Subtype and the object which is being inherited is called as the Supertype. When an instance is created for the subtype, the instance inherits the behavior of both the supertype and the subtype.

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