N-ary relationships in database design, computer science, Basic Computer Science

Assignment Help:

n-ary relationships in database design

Each n-ary where n>2 relationship type is maped into a table name of the relationship works as the name of the table.
The primary key of such kind of table is the combination of the primary keys of the participating entity types.
These are also defined a foreign keys.
Attributes of the relationship type maps to attributes of the table, same as to those of regular entity types.

Related Discussions:- N-ary relationships in database design, computer science

Data structuures, write a fuctions for MIDSQUARING hashing technique

write a fuctions for MIDSQUARING hashing technique

Reasons for recommendation free and open source software, For multi-nationa...

For multi-national business IT system, free and open source software (FOSS) is recommended over a proprietary system. The reasons for this recommendation are: 1. Security I

Ipv4 and ipv6, IPv6 documented in 1994 (RFC 1752) is still a collection...

IPv6 documented in 1994 (RFC 1752) is still a collection of Draft and Proposed standards Several pre-standard implementations exist IPv6 was intended to be a pragmatic up

Introduction to laboratory organisation and management, INTRODUCTION : In ...

INTRODUCTION : In the earlier units of this block you learnt the importance of proper filing and record keeping. You are also aware that in laboratory organisation and management,

Q1, Write a half-page summary explaining IP spoofing.

Write a half-page summary explaining IP spoofing.

Unix shell and history problem, UNIX Shell and History feature. 1.Creating ...

UNIX Shell and History feature. 1.Creating a child process. 2.Creating a history feature. Its exactly "programming project 1 - Unix Shell and History Feature (p.157-159)" in the Si

Basic syntax of python language, The Python language has a lot of similarit...

The Python language has a lot of similarities to Perl, C and Java. Though, there are some specific differences between the languages. First Python Program: relative Mode Programmin

What is the benefit of Threads?, Following are some causes why we use threa...

Following are some causes why we use threads in designing operating systems. A process with several threads makes a great server for instance printer server. For the reason that t

Compare cisc with risc cpus, Question 1 Define the following terms ...

Question 1 Define the following terms 1) Pipelining 2) Super Pipelining 3) Dynamic Execution 4) Multiprocessing 5) Multimedia Extensions Question 2

Algorithms, 1. In each of the following situations, indicate whether f = O...

1. In each of the following situations, indicate whether f = O(g), or f = O(g), or both (in which case f = T(g)). Briefly explain why. (a) f(n)=10n5 +8n2,g(n)=20n4 +7n3 +300 (b) f

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages