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

Database management, what is the sql command to List all the join condition...

what is the sql command to List all the join conditions or join paths (pairwise) existing between tables.

Central processing unit, Central Processing Unit Microprocessor Th...

Central Processing Unit Microprocessor The microprocessor is an important component in the CPU. It is the unit which processes the instructions depending on its capability

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

Wireless networks, Stable wireless networks and mobile devices online tutor...

Stable wireless networks and mobile devices online tutoring In Bluetooth it is a basically a proprietary open super wireless technology standard for exchanging data over the sh

Excel, Your next step is to analyze "proposed" technical requirements/specs...

Your next step is to analyze "proposed" technical requirements/specs based on the business requirements (new performance needs) for Big Bucks. 1.Create a "CRUD" Matrix in an Exce

Differentiate the client–server and peer-to-peer models of d, The client-se...

The client-server model firmly differentiates the roles of the client and server. According to this model, the client requests services that are provided by the server. The peer-to

Device drivers, Device Drivers: Device drivers are shared computer p...

Device Drivers: Device drivers are shared computer programs that provide an interface between the hardware devices and operating system or other higher level programs.

Computer architecture, #formular for calculating speed up factor fo super s...

#formular for calculating speed up factor fo super scalar architecture, super pipeline architecture and VLIW with m different functional units.

Describe the binary search algorithm, QUESTION 1 Describe the binary se...

QUESTION 1 Describe the binary search algorithm using an example of your own. QUESTION 2 (a) By showing all your workings, give a big-O estimate for f(x) = (x + 1)lo

Information security, can someone balance between information security and ...

can someone balance between information security and access, if yes,how can they balance?

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