Logical Database Design and Relational Model Quiz
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Logical Database Design and Relational Model Quiz

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@ProsperousTopaz

Questions and Answers

What is the primary purpose of normalization in the context of database design?

To minimize redundancy and reduce the likelihood of errors or inconsistencies

Which type of key uniquely identifies a record in a table and ensures data integrity in relational database design?

Primary key

What is an essential characteristic of a well-structured relation in a database?

Minimal redundancy and flexibility for data manipulation

In the context of relational database design, what is the purpose of integrity constraints?

<p>To enforce rules for data accuracy and consistency</p> Signup and view all the answers

What is the primary role of foreign keys in relational database design?

<p>To ensure referential integrity between related tables</p> Signup and view all the answers

Normalization is a process for deciding that relations are well-structured and typically results in well-structured relations.

<p>False</p> Signup and view all the answers

The purpose of normalization in database design is to ensure that relations contain minimal redundancy.

<p>True</p> Signup and view all the answers

A well-structured relation allows users to insert, modify, and delete rows in a table with errors or inconsistencies.

<p>False</p> Signup and view all the answers

Relational keys include Primary key, Foreign key, and Composite key.

<p>True</p> Signup and view all the answers

Mapping binary Many-to-Many relationships is a step in transforming ER diagrams into relations.

<p>True</p> Signup and view all the answers

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