What is advantage of two-way association, Database Management System

What is advantage of two-way association?

Two-way association advantages are following:

a) Independent of the classes.

b) Useful for existing predefined classes that are not modified.

 

Posted Date: 8/30/2013 6:20:14 AM | Location : United States







Related Discussions:- What is advantage of two-way association, Assignment Help, Ask Question on What is advantage of two-way association, Get Answer, Expert's Help, What is advantage of two-way association Discussions

Write discussion on What is advantage of two-way association
Your posts are moderated
Related Questions
Information about a bank is about customers and their account. Customer has a name, address that consists of house number, area and city, and one or more phone numbers. Account ha

Complete replication: It implies maintaining of a whole copy of the database at every site. Thus, the reliability & availability and performance for query response are maximized.

NEED FOR A DATABASE MANAGEMENT SYSTEM A Database is a structured, persistent collection of data of an organisation. The database management system (DBMS) manages the database o

The entity type STUDENT has the following attributes: Student Name, Address, Phone, Age, Activity, and No of Years. Activity represents some campus-based student activity, and No o

How to create values of structured type? Constructor functions are used to make values of structured types. A function with the similar name as a structured type is a construct

Problem 1 Why are the operational system keys not recommended for forming data warehouse primary keys? Give any two examples 2 Explain the following performance tuning techn

Explain Interfaces for parametric Users? Interfaces for Parametric Users - Parametric users, such as bank tellers, frequent have a little set of operations in which they must p

how to write tables and drow E-R diagrams for hosiptal management system and how to normalize and cardinalities?

What exactly is the concept of Functional Dependencies? And how do we associate this concept with the logic of Super-keys, Candidate Keys, etc? Given Relation R(A,B,C,D,E) with de

Attribute Preservation This is a easy and obvious necessity that includes preserving all the attributes that were there in the relation that is being decomposed.