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







Related Discussions:- Adjustments are required to increase chances of inheritance, Assignment Help, Ask Question on Adjustments are required to increase chances of inheritance, Get Answer, Expert's Help, Adjustments are required to increase chances of inheritance Discussions

Write discussion on Adjustments are required to increase chances of inheritance
Your posts are moderated
Related Questions
What are the categories of SQL command? SQL commands are separated in to the following categories: 1. Data - Definitition Language 2. Data Manipulation language 3. Dat

SELECT Statement This statement is used for retrieving information from the databases. It can be coupled with many clauses. Let us talk about these clauses in more detail:

The Database administrator (DBA) uses the data dictionary in each phase of a database life cycle, beginning from the data gathering phase to the design, execution and maintenance p

What is difference between TRUNCATE and DELETE? - Truncate can't be rolled back whereas Delete can be. - Truncate keeps the lock on table whereas Delete keeps the lock on ea

Define Fifth Normal form is concerned with Ans : Fifth Normal form is concerned with Join dependency.

Write short notes on transaction state? A transaction may not always complete its implementation successfully such a transaction is termed aborted A transaction must be in o

What is a view?  Make a view of EMP table named DEPT 20, to display the employees in department 20 and their annual salary.  Ans:  View is a virtual table that does not consist

Explain the two types of participation constraint. 1. Total: The participation of an entity set E in a relationship set R is said to be total if each entity in E participates i

Instructions: Follow the instructions below for completing this project: 1. Creating the Database: · Use the physical table descriptions given below to define and create each t

Analyzing Association Traversal Till now, we have supposed that associations are bi-directional. But in the case of traversal, it is in only one direction in any application,