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

Server, Server In a network, the resources of computers comprising net...

Server In a network, the resources of computers comprising network are usually shareable. In fact, one of the main objectives of networking is to make the computing resources

Types of software interface, different types of software interfaces which f...

different types of software interfaces which falls in different categories

Hardware, Hardware Hardware includes the cable and a Hub/Switch that...

Hardware Hardware includes the cable and a Hub/Switch that will connect the participating computers together. Printers or any other peripherals connected to one computer can

Distinguish between s-http and ssl, QUESTION (a) Distinguish between S...

QUESTION (a) Distinguish between S-HTTP and SSL (b) What are the three basic security provided by SSL? (c) Discuss the limitations of SSL (d) State the port number us

Eeprom, Ask queswhat is the advanages of eeprom?

Ask queswhat is the advanages of eeprom?

Database management software, Database Management Software: For storage of...

Database Management Software: For storage of large amounts of varied data, and rapid retrieval and interpretations of data, the database is the ideal tool. It is most useful for s

Need of artificial intelligence, Need of artificial intelligence: Artif...

Need of artificial intelligence: Artificial Intelligence may be seen as just the latest tool in the philosopher's toolbox for answering these all questions about the behavior o

Explain TCP and UDP features in detail and compare, Which applications requ...

Which applications require TCP and why? Also specify which applications require UDP and why? A4) TCP is also known as connection-oriented: setup required between client and server

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