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

Spreadsheet software , Spreadsheet Software : Consider the grid in Fig. ...

Spreadsheet Software : Consider the grid in Fig. 9.4. It is split into rows and columns and is a pictorial representation of a typical spreadsheet program. Figure: Spr

Compiler, Compiler A compiler is a special program which transla...

Compiler A compiler is a special program which translates programs written in high level language into machine language. The original program is called the source progra

Differentiate Preemptive and Nonpreemptive Scheduling?, The Scheduling algo...

The Scheduling algorithms can be divided into two parts with respect to how they deal with clock interrupts. 1) Nonpreemptive Scheduling: A scheduling

IPC in linux, to do a assignment regarding IPC in linux

to do a assignment regarding IPC in linux

Software engineering, Brief Define the Phases of Waterfall Model

Brief Define the Phases of Waterfall Model

Entropy calculation, -(9/14)log2(9/14)-(5/9)log2(5/9) calculate with soluti...

-(9/14)log2(9/14)-(5/9)log2(5/9) calculate with solution.

Mini computers and micro computers, Mini Computers and Micro Computers: ...

Mini Computers and Micro Computers: The mini computers are intermediate in power, and may function as small mainframe computers. They are often dedicated to a particular purpo

Concept of programming language, CONCEPT OF PROGRAMMING LANGUAGE: In o...

CONCEPT OF PROGRAMMING LANGUAGE: In order to communicate with other human beings, one needs some language or a medium. In the same way for solving problems, a programming lan

What is the benefit of Threads?, Following are some causes why we use threa...

Following are some causes why we use threads in designing operating systems. A process with several threads makes a great server for instance printer server. For the reason that t

Kids, how do you let kids learn on it

how do you let kids learn on it

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