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

Programmable rom (prom) , PROGRAMMABLE ROM (PROM): The user can program...

PROGRAMMABLE ROM (PROM): The user can program a PROM after purchase. Each memory bit element in the PROM contains a nichrome or silicon link that acts as a fuse. The user can

Computer architecture, Subject Name CIT2193 COMPUTER ARCHITECTURE Topic AS...

Subject Name CIT2193 COMPUTER ARCHITECTURE Topic ASSIGNMENT Due Date 16 March 2012 Name : ……….…………………….……………….. Lecturer : ................................. Intake : ………………….

What is atm cell, Header contains routing and error control information Pay...

Header contains routing and error control information Payload carries the actual user information, either voice, data or video

Text, text graphics audio video

text graphics audio video

Ascii & unicode, ASCII code: An alphanumeric code has to represent 10...

ASCII code: An alphanumeric code has to represent 10 decimal digits, 26 alphabets and certain other symbols such as punctuation marks and special characters. Therefore, a min

Data structures, let me know if you can do this assignment and how long it ...

let me know if you can do this assignment and how long it takes

Machines which exhibit intelligent nature, Machines which exhibit intellige...

Machines which exhibit intelligent nature Machines in this case could easily be personal computers, or they could be robots with embedded systems, or a combination of both. Wh

Types of computer, What is types of computer?

What is types of computer?

Line drawing algorithm, discus .line drawing algorithm

discus .line drawing algorithm

Perverse software, is u given is enough for us for this - what is pervere ...

is u given is enough for us for this - what is pervere software and explain in detail?

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