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

String problem, c program to convert S to palindromes with minimum number o...

c program to convert S to palindromes with minimum number of character replacements

Artificial interlligence, 7. Name and explain the action in Conceptual Depe...

7. Name and explain the action in Conceptual Dependency which refers to a transfer of possession.

SCM, advantages of E-SCM?

advantages of E-SCM?

Working of a computer, Working of a Computer Computer may be div...

Working of a Computer Computer may be divided into the following units     Input Unit     Main Memory or Primary Storage Unit     Arithmetic-Logic Unit

#title, what is HMtl stands for, meaning and purpose

what is HMtl stands for, meaning and purpose

MIDI, Explain about MIDI audio

Explain about MIDI audio

Impact printers and non - impact printers, Impact Printers and non - Impact...

Impact Printers and non - Impact Printers: Impact Printers: These are printers in which the print-head strikes a ribbon, and include the daisywheel and thimble printer

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