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

Components of a computer, COMPONENTS OF A COMPUTER: We use a computing...

COMPONENTS OF A COMPUTER: We use a computing system basically to feed in some data that is processed by the computer and some information is generated as a result.. For this w

Operation research, origin,nature and impact of operation research

origin,nature and impact of operation research

E-mail, E-MAIL: Internet has changed the art of writing letters to ema...

E-MAIL: Internet has changed the art of writing letters to email.  Email is one of the ways on Internet to send messages to another person across the network. E-mail and posta

Paper system, Paper System : When setting up a computer system you need to...

Paper System : When setting up a computer system you need to ask yourself 'Does the system you plan to operate work manually, i.e., on paper?' It is a popular misconception that t

Looping statement, Looping Statement:  The purpose of a loop structure is...

Looping Statement:  The purpose of a loop structure is to repeat certain tasks until some condition is satisfied. Several variations of a loop structure are available in each pro

Artificial intelligence-specifying search problems, Specifying Search Probl...

Specifying Search Problems In our agent expressions, a problem to be solved is a specific task where the agent starts with the atmosphere in a given state and acts upon the env

C++, Write a C++ program that declares three integers and three strings. Th...

Write a C++ program that declares three integers and three strings. The program prompts the user for three characters and three integers and prints them all on one line.

Characteristics of artificial intelligence, Characteristics of Artificial I...

Characteristics of Artificial Intelligence: Artificial Intelligence is not an easy science to describe, as it has fuzzy borders with simulation mathematics, computer science t

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