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

Compiled language, Compiled Language:   An additional program called a...

Compiled Language:   An additional program called a compiler translates a program written in a programming language; into a new file that does not require any other program to

Computer Literacy Assignment Task, Assignment Task: You are required to dev...

Assignment Task: You are required to develop working solutions in Excel that will manage the annual budget, current month’s inventory, and a list of the current month’s transaction

Write a note on modems, Question 1 Write a note on modems Question ...

Question 1 Write a note on modems Question 2 What are the Safe Chatting Rules Question 3 Explain three basic kinds of hypertext links Question 4 Write a no

Iterative deepening search-artificial intelligence, Iterative Deepening Sea...

Iterative Deepening Search- Artificial intelligence: So, breadth first search is guaranteed to find a solution (if one exists), but it grape whole memory. However, Depth first

Cai, What is CAI? Explain its pitfalls.

What is CAI? Explain its pitfalls.

Homework, #questioPurpose of this assignment: 1. Using dictionaries. Assign...

#questioPurpose of this assignment: 1. Using dictionaries. Assignment: Write a program to read a text file and create a dictionary. The keys for the dictionary should be all

Operating system, Operating System: Operating  System is the software ...

Operating System: Operating  System is the software that manages all the computers' resources to optimize its performance provides common services for efficient execution of v

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