Multi-valued attribute dbms, computer science, Basic Computer Science

Assignment Help:
Multi-valued Attribute DBMS
Each multi valued attribute maps into a separate table.
Include also an attribute for the primary key of the entity and relationship type which the attribute belongs to.
The relvar has an attribute for each simple attribute of the multi valued attribute.
This is also a foreign key.
The primary key of this relvar is the combination of all the attributes if the multi valued attribute is simple.
If the multi-valued attribute is composite, the primary key of this relvar may be a combination of some of the attributes.

Related Discussions:- Multi-valued attribute dbms, computer science

Date mining, I have assignment in Date mning can you help me

I have assignment in Date mning can you help me

Virtual memory, What is virtual memory? How address mapping is done in cach...

What is virtual memory? How address mapping is done in cache memory? Elaborate your answer with examples.

Inforamtion infrastructure and services, benefit a company derive from mana...

benefit a company derive from managing it own information technology

Heuristic search strategies-artificial intelligence, Heuristic Search Strat...

Heuristic Search Strategies-Artificial intelligence In general speaking, a heuristic search is one which utilizes a rule of thumb to improve an agent's performance in solving p

Network control, Network Control, Engineering and Management Network co...

Network Control, Engineering and Management Network control in this sense involves traffic management, and the engineering of the networks to support varying traffic loads. In

Computer, identify application software from the list? ms excel linux inter...

identify application software from the list? ms excel linux internet explorer adobe photshop sound card driver window disk manger adobe dream weaver windows file explorer

Overview of a computer system, Overview of a Computer System The...

Overview of a Computer System There are three major elements in every computer solution. They are:     Data     Hardware     Software Hardware + Softwa

Global positioning system, How does GPS work in the field of Sport or athle...

How does GPS work in the field of Sport or athletics?

Data communication , (iv) Suppose that the TCP entity receives a 1.5 megaby...

(iv) Suppose that the TCP entity receives a 1.5 megabyte file from the application layer and that the IP layer is willing to carry blocks of maximum size 1500 bytes. Calculate the

Development of UNIX , Development of UNIX: The original UNIX developme...

Development of UNIX: The original UNIX development was performed on a Digital PDP-7 minicomputer and later moved to a PDP-11 minicomputer, the forerunner of the VAX computer.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd