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

Networking operating systems, Networking Operating Systems, Networking OS ...

Networking Operating Systems, Networking OS provides file sharing, Networking OS provides communication scheme, NT Server Security added Multi user capability added RAI

DATA STRUCTURE, WHAT IS DATA STRUCTURE AND EXPLAIN ME.

WHAT IS DATA STRUCTURE AND EXPLAIN ME.

Transaction-based model, Transaction-based model: Here, the pricing i...

Transaction-based model: Here, the pricing is based on providing a committed business service, for ex, processing payroll for a global company as part of HR offering and this

Types of computer, What is types of computer?

What is types of computer?

Define jumps and loops , The unconditional jumps in a written program in a...

The unconditional jumps in a written program in assembler language are specified by the jmp instruction; a jump is to moves the flow of the execution of a program by sending the co

Assigment, how to measure marginal utility.?

how to measure marginal utility.?

Types of search engine, Types of Search Engine: Some of the basic ca...

Types of Search Engine: Some of the basic categories of Search engines are : a. Primary Search Engines: Such search engines use web crawlers or spiders to traverse the w

Overall functions , OVERALL FUNCTIONS : There are three points that must b...

OVERALL FUNCTIONS : There are three points that must be borne firmly in mind when considering the use of computers in laboratory management. Overall Function This includes

Software, Software: A computer system consists of two parts - hardware...

Software: A computer system consists of two parts - hardware and software. The first part, computer hardware, refers to all the visible components of the computer system: key

Flowcharting, Flowcharting: Flowcharting: A Flowchart is a graphical r...

Flowcharting: Flowcharting: A Flowchart is a graphical representation of an algorithm. It can be compared to the blueprint of a building. Just as a building contractor refers

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