Adjustments are required to increase chances of inheritance, Database Management System

What types of adjustments are required to increase chances of inheritance.

a)   Some attributes can be added or ignored in  the base class operation

 b) Some changes can be made in derived class from abstract class.

 c) If an operation is not required by few classes in a group, then could it be

 declared as no-operation.

 d) Similar attributes can be combined in the abstract base class.

 

Posted Date: 8/30/2013 6:19:51 AM | Location : United States







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