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

Heap files (unordered file), Heap files (unordered file) Mostly these f...

Heap files (unordered file) Mostly these files are unordered files. It is the easiest and most basic type. These files having of randomly ordered records. The records will have

Neo4j, I have one assignment that has to be done in neo4j

I have one assignment that has to be done in neo4j

Can a domain, Can a domain, assigned to a data element be changed? Yes....

Can a domain, assigned to a data element be changed? Yes. We can do so by just overwriting the entry in the field domain.

Max. no. of structures in a table or structure, What is the max. no. Of str...

What is the max. no. Of structures that can be included in a table or structure. Nine.

Computer, what is object-identity

what is object-identity

Multivalued dependencies, what is multivalued dependency

what is multivalued dependency

Join operation, The JOIN operation is applied on two relations. When we wan...

The JOIN operation is applied on two relations. When we want to choose related tuples from two given relation join is used. The join operation need that both the joined relations m

What is a foreign key, What is a foreign key, and what is it used for? ...

What is a foreign key, and what is it used for? A foreign key is used to establish relationships between relations in the relational model. Technically, a foreign key is a colu

HYRISE, how to implement hyrise in C plus plus

how to implement hyrise in C plus plus

Dataware house(job scheduling strategy), Define a job scheduling strategy t...

Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pictori

Write Your Message!

Name

Email id

Message

Verfication Code

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

User Account

All Pages