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

Systems Analysis and Design, Ask question #MiniProfessional and Scientific ...

Ask question #MiniProfessional and Scientific Staff Management (PSSM) is a unique type of temporary staffing agency. Many organizations today hire highly skilled, technical employe

The terms ''row-major order'' and ''column-major order", What is meant by t...

What is meant by the terms 'row-major order' and 'column-major order'? Ans: (i) Storing the array column by column is called as column-major order and storing the array row by

Deadlocks, What is methods For handling Deadlocks?

What is methods For handling Deadlocks?

Algorithm, algorithm to determine if a number is odd or even

algorithm to determine if a number is odd or even

Subroutine , Subroutine :   A subroutine  is a type of subprogram, a pi...

Subroutine :   A subroutine  is a type of subprogram, a piece of code within a larger program that performs a specific task and is relatively independent of the remaining code.

Describe different kinds of registers used for register arra, Different kin...

Different kinds of registers are general between most microprocessor designs. These are: Program Counter (PC) This register is utilized to hold the memory address of the next instr

Library function, Library function :   These are the functions supplied...

Library function :   These are the functions supplied with the programming language. The code or definition of library functions does not have to be written in a user program w

Flowcharts, what is a dry running of flow chart?

what is a dry running of flow chart?

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!

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