Database Normalization: Converting to 1NF

PoisedYew avatar
PoisedYew
·
·
Download

Start Quiz

Study Flashcards

Questions and Answers

What is the primary characteristic of a table in 2NF?

It has no partial dependencies

What is the purpose of Step 1 in the conversion to 3NF?

To create new tables to eliminate transitive dependencies

What is a determinant in the context of converting to 3NF?

An attribute whose value determines other values within a row

What is the difference between a primary key and a candidate key?

<p>A primary key is always chosen, while a candidate key is not</p> Signup and view all the answers

What is the purpose of Step 2 in the conversion to 3NF?

<p>To reassign corresponding dependent attributes to the new tables</p> Signup and view all the answers

What is the characteristic of a table in 3NF?

<p>It is in 2NF and has no transitive dependencies</p> Signup and view all the answers

What is the Boyce-Codd Normal Form?

<p>A normal form where every determinant in a table is a candidate key</p> Signup and view all the answers

Why are higher-level normal forms not always used in business transactional databases?

<p>Because they are not necessary for most business transactions</p> Signup and view all the answers

What is the purpose of identifying dependencies in a database?

<p>To identify the relationships between attributes</p> Signup and view all the answers

What is a transitive dependency in a database?

<p>A dependency between an attribute and another attribute that is dependent on the primary key</p> Signup and view all the answers

Use Quizgecko on...
Browser
Browser