Differentiate sub-class and super-class, Database Management System

Differentiate sub-class and super-class?

The specialization of a class is known as subclasses.eg: employee is a subclass of person and teller is a subclass of employee. Conversely, employee is a super class of teller, and person is a super class of employee.  

 

Posted Date: 6/3/2013 1:50:29 AM | Location : United States







Related Discussions:- Differentiate sub-class and super-class, Assignment Help, Ask Question on Differentiate sub-class and super-class, Get Answer, Expert's Help, Differentiate sub-class and super-class Discussions

Write discussion on Differentiate sub-class and super-class
Your posts are moderated
Related Questions
We are looking to find someone to prepare a database which improves upon the one we are using at present. The present database will be found here: Click on filter options and yo

Describe the development process of Object oriented methods Object oriented methods have roots which are strongly anchored back in the 60s, functional and structured methods we

Find a 3NF decomposition of the following relation scheme: University (Faculty, Dean, Department, Chair, Professor, Rank, Student}. The University relation satisfies the following

Explain what is DDL? DDL - Data Definition Language: statements used to define the database structure or schema. Some examples: CREATE - to create objects in the database ALT

Whst is logical schema ? Logical schema is the entire database.

Question 1 What is data mining? Write Data Mining applications Question 2 What is OLAP? Write the benefits of OLAP Question 3 What is Business Intelligence? Explai

how can apply joins on table

Law Associates is a large legal practice based in Sydney.  You have been asked to design a data model for the practice based upon the following specification: The practice emplo

Need for Multiple Access Paths In practice, most of the online information systems need the support of multi-key files. For example, consider a banking database application hav

Define the terms i) Key attribute ii) Value set Key attribute: An entity type usually has an attribute whose values are exact from each individual entity in the collection. Su