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

Copmurer, Classify computer systems according to capacity. How they are dif...

Classify computer systems according to capacity. How they are different from computers according to the classification of technology. Provide comparative study also.

Define grid computing, Question 1 Define Grid computing Question 2 ...

Question 1 Define Grid computing Question 2 Explain Attribute-Based Programming Model for Grid Services Question 3 What are the characteristics that users/applicat

Two-tiered architecture, Two-tiered architecture: This approach basic...

Two-tiered architecture: This approach basically introduced a database server to replace the file server. The emergence of relational database management systems and graphica

Perform a mail merge to send invitation, Question Elaborate the various...

Question Elaborate the various steps in performing a Mail Merge. Perform one mail merge operation for sending invitation for a conference which is being conducted in your organ

Sequential reading in fcb files, Earlier than anything we must describe the...

Earlier than anything we must describe the file transfer area or DTA. With the intention of sequentially read we use the 14H function of the 21Hinterruption.The register to be read

Define procedure of Building Assembler programs, In order to be able to mak...

In order to be able to make a program, quite a lot of tools are needed: Earliest an editor is used to create the source program. Next a compiler, which is nothing more than a progr

E-learning, E-learning: E-learning is one of the most used terms on th...

E-learning: E-learning is one of the most used terms on the Internet that describes any form of learning that is facilitated academically by the electronic means. Such means m

Telecommunications network, Telecommunications network: "A telecommuni...

Telecommunications network: "A telecommunications network, at its simplest, may be regarded as comprising a transmission network, an arrangement of transmission paths and swit

Cp, I NEED FLOW CHART ANT DRAWINGS OF BASIC OPERATIONS OF COMPUTER

I NEED FLOW CHART ANT DRAWINGS OF BASIC OPERATIONS OF COMPUTER

Switching mechanisms , SWITCHING MECHANISMS: Switching mechanisms are ...

SWITCHING MECHANISMS: Switching mechanisms are techniques devised to send messages in many dinections at once and to ensure that these messages are received with a minimum of

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