DA0-001 Question #432: Real Exam Question with Answer & Explanation

The correct answer is D: Many-to-many. A joining table is used to resolve a many-to-many relationship in relational databases. Since many-to-many relationships cannot be directly implemented in relational database tables, a joining table acts as a bridge between the two related tables, containing foreign keys that mod

Data Concepts and Environments

Question

Which of the following relationships is necessary to define a third table called a "joining table" in relational databases?

Options

AOne-to-many
BOne-to-one
CNon-relational
DMany-to-many

Explanation

A joining table is used to resolve a many-to-many relationship in relational databases. Since many-to-many relationships cannot be directly implemented in relational database tables, a joining table acts as a bridge between the two related tables, containing foreign keys that modeled and queried.

Topics

#Relational databases#Many-to-many relationships#Joining tables#Database design

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