Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

12 Questions

1 Views

Business Rules in Data Design

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What do business rules provide in a data design?

Query optimization strategies

Data storage techniques

Database normalization principles

Understanding of the data (correct)

Which of the following is an example of a business rule?

Each student must provide a unique identifier (correct)

Each student must provide their blood type

Each student must disclose their favorite food

Each student must submit their favorite color

What is the purpose of an entity in an RDBMS terminology?

To represent a collection of data (correct)

To write complex SQL queries

To optimize database performance

To design user interfaces

Which of the following is considered an entity in a database?

A student's address Signup and view all the answers

In a student table business rule, what is required for each student?

Allocating a unique identifier Signup and view all the answers

Why is it important for each student to have a valid email address in a database?

To ensure proper communication Signup and view all the answers

In a hospital database, which of the following is an example of a multivalued attribute?

Patient's emergency contact info Signup and view all the answers

Which type of attribute is the date of birth of a patient in the hospital database?

Stored Signup and view all the answers

What is the key attribute in a database table represented by a watch being purchased online?

Product ID Signup and view all the answers

Which attribute type cannot be broken down further and is considered a single piece of data?

Simple Signup and view all the answers

In a database, which would NOT typically be an identifier (key) attribute?

Email Address Signup and view all the answers

What distinguishes a relation from a table in a database context?

Every table is a relation, but not every relation is a table. Signup and view all the answers