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

Question 1 What is fragmentation?, Question 1 What is fragmentation?

Question 1 What is fragmentation?

Comparison instructions , They are used to evaluate operators, and they hav...

They are used to evaluate operators, and they have an effect on the content of the flags. CMP CMPS (CMPSB) (CMPSW) CMP INSTRUCTION Idea: To measure up to the operators. Syntax: CMP

LIGHTING OF A STAIRCASE BY TWO SWITCHES, 1. SHOW THE OPERATION OF THE LIGHT...

1. SHOW THE OPERATION OF THE LIGHTING SYSTEM?

Computer generations, Computer Generations: From the early 1940's to t...

Computer Generations: From the early 1940's to the present, computer scientists have been able to identify clear-cut stages in the development of computer technology. With eac

Operating System, variable partioning

variable partioning

Education and society, mention the aims of education in present scenario

mention the aims of education in present scenario

Data mining analysis, Using Weka 3.6 (basketball or cloud data set). Using ...

Using Weka 3.6 (basketball or cloud data set). Using the EM clustering method, how many clusters did the algorithm decide to make? If we change from "Use Training Set" to "Percenta

2. What benefits can a company gain by managing its , 2. What benefits can ...

2. What benefits can a company gain by managing its own information infrastructure and services?

CAI EXPLANATION, What is CAI? Explain its pitfalls

What is CAI? Explain its pitfalls

Alternative approaches for acquiring software, Alternative approaches for a...

Alternative approaches for acquiring software: There are some alternative approaches for acquiring software. They are: i) 'off the shelf' software package ii) 'turnk

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