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

Concept of operating system, Concept of operating system: An operating...

Concept of operating system: An operating system is an essential software component of a computer system. The basic  objectives of an operating system are to make the computer

Word processing software, Word Processing Software : The main use for word...

Word Processing Software : The main use for word processing is found in secretarial offices and small publishing companies. However, if you are involved in generating your own cor

Oop, evolution of oop

evolution of oop

Internet searching, Internet searching:  The Internet consists of mill...

Internet searching:  The Internet consists of millions of private/public/academic/business and government networks having local to global scope. It has billions of web pages o

Assignment, I have an assignment i need it to get it done How much would I...

I have an assignment i need it to get it done How much would I be charged for that?

Artificial intelligence agents, Artificial Intelligence Agents In the ea...

Artificial Intelligence Agents In the earlier teach, we discussed what we will be talking about in Artificial Intelligence and why those tasks are important. This lecture is all

statistics, write a 2 page essay operational gaming and monte carlo simula...

write a 2 page essay operational gaming and monte carlo simulation

Differentiate between a dynamic and a static web site, QUESTION a) Diff...

QUESTION a) Differentiate between a dynamic and a static web site. b) Why are electronic mails (e-mails) preferred to the post office mails? How do they affect the modern of

CAI, explain CAI pitfalls

explain CAI pitfalls

FCB files:Channels of communication , The use of manage files very much fac...

The use of manage files very much facilitates the creation of files and programmer can focus on other aspects of the programming lacking worrying on details which can be handled by

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