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

Classification of computers, Classification of Computers DIGITAL, ANAL...

Classification of Computers DIGITAL, ANALOG AND HYBRID Computers are of three basic types – Digital, Analog, and Hybrid. Current use of the word “computer” almost a

Assembly, can you help me to do my assembly program homework

can you help me to do my assembly program homework

Describe counting instructions, They are used to reduce or enlarge the cont...

They are used to reduce or enlarge the content of the counters. DEC INC DEC INSTRUCTION Idea: To diminish the operator. Syntax: DEC destiny This action subtracts 1 from the destiny

Networking.., write advantages and disadvantages of private and public netw...

write advantages and disadvantages of private and public network

C, wap to print padovan string in c

wap to print padovan string in c

Product of first n natural numbers-algorithm, Product of first n natural nu...

Product of first n natural numbers - Algorithm Working Procedure : 1. Take n = 8 2. Take I = 1 3. Take PROD = 1 4. Compute PROD = PROD * 1 5. add 1 to 1 6. If I≤ n, complete

What isit, what can you do and what and how who can becbgbfbvuidfgvbkjfdhvb...

what can you do and what and how who can becbgbfbvuidfgvbkjfdhvb98dshrnfjkbhqdbnfiubnfdjbhdfiubndfubhfdbhfdiubhdfuibhyfdubhdfbhfbhdf8u

Write a schema for the operation of ending a game, QUESTION 1 We need ...

QUESTION 1 We need to write Z specifications to record the information about passengers on board an aircraft. Here you are required to produce the specifications using appropr

Communications programs , Communications Programs : By communications prog...

Communications Programs : By communications programs, we mean those programs which allow a computer to communicate via a transmission cable to another electronic device. Here we d

Security threats on internet, Security threats on internet: The Inter...

Security threats on internet: The Internet has many advantages; however, it also opens up security threat. In this section we just want to highlight some of the threats that

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