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Database Normalization Basics Quiz

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Questions and Answers

What is the main objective when designing a database for an enterprise?

To create an accurate representation of the data (correct)

To minimize the number of attributes in the database

To maximize the storage capacity of the database

To speed up the data retrieval process

What does normalization focus on in the database design process?

Focusing solely on data retrieval efficiency

Examining the relationships between attributes (correct)

Ignoring the data requirements of the enterprise

Seeking to maximize redundancy in the database

What is the purpose of normalization in database design?

To produce relations with desirable properties that support data requirements (correct)

To introduce redundancy in the database

To increase the complexity of the database structure

To minimize the relationships between attributes

What does normalization use to help identify the optimal grouping for attributes?

A series of tests described as normal forms Signup and view all the answers

Which property of data or relationships does normalization examine?

Important to the enterprise Signup and view all the answers

What database design technique is described in this lecture and the next?

Normalization Signup and view all the answers

What is the main goal of normalization in database design?

To minimize data redundancy and update anomalies Signup and view all the answers

Which of the following is a characteristic of a suitable set of relations in a database?

Minimal redundancy with each attribute represented only once Signup and view all the answers

What is a major aim of relational database design?

To group attributes into relations to minimize data redundancy Signup and view all the answers

What problems may arise from relations with redundant data in a database?

Insertion, deletion, or modification anomalies Signup and view all the answers

In database design, what is the role of primary keys and foreign keys in normalization?

They enable the modeling of relationships between data Signup and view all the answers

What approach illustrates the use of normalization as a bottom-up standalone database design technique?

Approach 1 Signup and view all the answers

How does normalization support database design?

As a formal technique that can be used at any stage of database design Signup and view all the answers

What type of anomalies may occur due to redundant data in a relation?

Insertion, deletion, or modification anomalies Signup and view all the answers

Which type of approach uses ER modeling as a top-down technique followed by normalization as a validation technique?

Approach 2 Signup and view all the answers

Database Normalization Basics Quiz

Choose a study mode

Podcast

Questions and Answers

What is the main objective when designing a database for an enterprise?

What does normalization focus on in the database design process?

What is the purpose of normalization in database design?

What does normalization use to help identify the optimal grouping for attributes?

Which property of data or relationships does normalization examine?

What database design technique is described in this lecture and the next?

What is the main goal of normalization in database design?

Which of the following is a characteristic of a suitable set of relations in a database?

What is a major aim of relational database design?

What problems may arise from relations with redundant data in a database?

In database design, what is the role of primary keys and foreign keys in normalization?

What approach illustrates the use of normalization as a bottom-up standalone database design technique?

How does normalization support database design?

What type of anomalies may occur due to redundant data in a relation?

Which type of approach uses ER modeling as a top-down technique followed by normalization as a validation technique?

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