Multi-valued attribute dbms, computer science, Basic Computer Science

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

If staement, if statement with explanation

if statement with explanation

Unix, How do I change file permissions? Every time I execute chmod commands...

How do I change file permissions? Every time I execute chmod commands it tells me permission denied.

Ida* search-artificial intelligence, IDA* Search-Artificial intelligence: ...

IDA* Search-Artificial intelligence: A* search is a sophisticated and successful search strategy. yet, a problem with A* search is that it might keep every states in its memor

Function, write a function named "location_of_largest"that takes as its arg...

write a function named "location_of_largest"that takes as its arguments the following:(1) an array of integer values

Courier company , disvange and advantege of providing intternet sservice to...

disvange and advantege of providing intternet sservice to customer

Protocol, what protocol is used by DNS name server

what protocol is used by DNS name server

Memory unit of computer, Memory unit of computer: The Memory unit is ...

Memory unit of computer: The Memory unit is an important component of a computer where all the data and information are stored in the form of binary digits (combination of 0

Java programming, what are the phases of oo progarmming or java?

what are the phases of oo progarmming or java?

Python Tuples , A tuple is one more series data type that is like to the li...

A tuple is one more series data type that is like to the list. A tuple consists of a number of values divided by commas. Not like lists, though, tuples are enclosed inside parenthe

Explain any five different types of computers, Question 1 Explain any five...

Question 1 Explain any five different types of computers Question 2 Describe Bus Type LAN. Its disadvantages and advantages and examples Question 3 Describe the

Write Your Message!

Name

Email id

Message

Verfication Code

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!

Submit Assignment

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd