Many-to-many relationship, Database Management System

Assignment Help:

Many-to-many: Entities in A and B are related with any number of entities from each other.

Example:

Taught_by Relationship among course and faculty.

One faculty member can be assigned to teach a lot of courses and one course may be taught by a lot of faculty members.

528_Many-to-many Relationship.png

Relationship among book and author.

One author can explained a lot of books and one book can be written by more than one authors.

1298_Many-to-many Relationship1.png

More about Relationships and Entities


Related Discussions:- Many-to-many relationship

Create a new service-based database, In this assignment, you will create a ...

In this assignment, you will create a program that works with multiple tables. In this assignment, you will work with the factory and sales tables. 1. Create a new project nam

Database problem in wordpress, Project Description: I am having a random...

Project Description: I am having a random problem with my Wordpress site. If I click on "Publish" and "Add new", it takes me to a 404 page not found of /wp-admin/post.php (th

What do you understand by raid, What do you understand by RAID? Explain RA...

What do you understand by RAID? Explain RAID Level 4 and Level5? RAID - It is stands for Redundant Array of Inexpensive Disks (as named by the inventor), or alternatively Re

Define the query optimisation, Define the Query optimisation The query ...

Define the Query optimisation The query parser commonly generates a standard initial tree to correspond to an SQL query, with no doing any optimization. Such type of a canonica

Implementing a distributed database system, A distributed database is defin...

A distributed database is defined as "a collection of multiple logically interrelated database which are physically distributed over a computer network" (a) Give any three advan

Express the properties of strings, Express the properties of Strings? ...

Express the properties of Strings? Strings can be case sensitive (or not) which can change the outcome of string operations. You can evaluate whole strings \ just part

Oracle/sql, can you create a database for me in oracle/sql

can you create a database for me in oracle/sql

Identify the critical activities, Consider a systems development project wi...

Consider a systems development project with the following data Activity                                Duration (weeks)        Precedence Relationship 1. Software design

Database design and documentation, A use case diagram giving a pictorial ov...

A use case diagram giving a pictorial overview of user requirements and brief use case descriptions. As the case study contains only an outline of a business scenario, you will als

Create a er diagram to show customer accounts, Information about a bank is ...

Information about a bank is about customers and their account. Customer has a name, address that consists of house number, area and city, and one or more phone numbers. Account ha

Write Your Message!

Captcha
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!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd