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

About flag instructions, They straightforwardly affect the content of the f...

They straightforwardly affect the content of the flags. CLC CLD CLI CMC STC STD STI CLC INSTRUCTION Reason: To uncontaminated the cartage flag. Syntax: CLC This instruction turning

What is Router. Explain Network Router, A router is a device which has play...

A router is a device which has played an important role in the development and existence of the Internet. Routers are designed to transmit data from other network users to specific

Jsp project, how to save a Vector theList to a .txt file and read that .t...

how to save a Vector theList to a .txt file and read that .txt file to a jsp page /??

Pep8, Write an Assembly program that reads an integer (-32,768 through 32,7...

Write an Assembly program that reads an integer (-32,768 through 32,767) in decimal and prints its equivalent in binary. The output must show all 16 bits. And you must use a loop

Mainframe architecture, Mainframe Architecture: Till a few decades bac...

Mainframe Architecture: Till a few decades back, all computing was controlled through the central mainframes server. Multiple users could connect to the central host through u

Explain the important features of creational patterns, Question 1 Explain ...

Question 1 Explain the role of object oriented designers in developing a software system Question 2 What are the four essential elements of design patterns? Explain Question 3

Internal structure of agents - artificial intelligence, I n t e rnal St...

I n t e rnal Structure of Agents We have looked at agents in terms of their external influences and behaviors: they take input from the environment and perform rational act

Flowchart, 1. The volume of a pyramid is taken from the formula: V = 1/3 x ...

1. The volume of a pyramid is taken from the formula: V = 1/3 x AREA OF BASE x ALTITUDE Given the dimensions of a pyramid, calculate the cost of materials for making that pyrami

Artificial intelligence research, Artificial Intelligence research: Art...

Artificial Intelligence research: Artificial Intelligence research may be describe  in terms of how the following question has been answered: "How are we going to get a comp

Port in a computer, what is the need of a port in a computer?

what is the need of a port in a 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