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

Java hastset, implement your own hashset

implement your own hashset

What are the three basic security provided by ssl, QUESTION (a) Can SSL...

QUESTION (a) Can SSL be used to encrypt email data? Justify your answer (b) What are the three basic security provided by SSL? (c) State the port number used by applicati

Types of policy, want to get detail understanding of the types of security ...

want to get detail understanding of the types of security policies including enterprise security policy, issues specific policies etc

Explain Processes Vs Threads?, In many respect threads operate in the simil...

In many respect threads operate in the similar way as that of processes. A number of the similarity and differences are: Similarities • Similar to processes threads share CPU and o

Readymade versus custom-made software, READYMADE VERSUS CUSTOM-MADE SOFTWAR...

READYMADE VERSUS CUSTOM-MADE SOFTWARE Nursing care software can be in two forms. Software can be custom-made with the help of a computer programmer, suited for a client with v

Artificial intelligence-search in problem solving, Search in Problem Solvin...

Search in Problem Solving If Artificial Intelligence can notify the extra sciences about something, it is about trouble solving and, in exacting, how to search for solutions to

Image processing, Image Processing: This technology is quite advanced ...

Image Processing: This technology is quite advanced and devices are now available for routine scanning and storage of printed pages, graphics, etc., which can then be retrieve

Explain the different methods of encryption technique, Problem When a d...

Problem When a data is sent across the network it is encrypted and arranged in a way that even if there is a diversion in the flow of data should not leak the data. At the rece

Input/output (i/o) unit, Input/output (I/o) unit: This unit provides th...

Input/output (I/o) unit: This unit provides the interface between the computer and the computer peripherals. A computer peripheral is any unit, which is attached to, but is no

Advantages of computerized record-keeping, Advantages of Computerized Reco...

Advantages of Computerized Record-keeping Less manpower is required for upkeep. Recording, storing, and retrieving are all much faster: easier and with little practice

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