# What is a unique identifier of an entity type? Is it possible for there to be more than one unique identifier for an entity type?

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What is a unique identifier of an entity type? Is it possible for there to be more than one unique identifier for an entity type?

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## What is a unique identifier of an entity type? Is it possible for there to be more than one unique

QUESTION: What is a unique identifier of an entity type? Is it possible for there to be more than one unique identifier for an entity…

## Why can total participation of an entity type in a relationship type also be referred to as existence dependency of that entity type in that relationship type?

QUESTION: Why can total participation of an entity type in a relationship type also be referred to as existence dependency of that entity type in…

## Why can total participation of an entity type in a relationship type also be referred to as existence

QUESTION: Why can total participation of an entity type in a relationship type also be referred to as the existence dependency of that entity type…

## Define the term partial key?

Question: “Define the term partial key”?

## What would cause a relational schema for a database to contain more relation schemas than there are entity types?

QUESTION: What would cause a relational schema for a database to contain more relation schemas than there are entity types?

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How To Make Money On Chegg Tutors Chegg, Inc. is an American online tutoring service that connects students to tutors all over the world. “How…

## Discuss the difference between existence dependency and identification dependency?

Question: “Discuss the difference between existence dependency and identification dependency”?

## Figures 5.4, 5.7, and 5.39 each show the decomposition of a ternary relationship. Explain why the entity types SCHEDULE and PRESCRIPTION in Figures 5.4

QUESTION: Figures 5.4, 5.7, and 5.39 each show the decomposition of a ternary relationship. Explain why the entity types SCHEDULE and PRESCRIPTION in Figures 5.4…

## What is the difference between a key attribute and a non-key attribute?

QUESTION: “What is the difference between a key attribute and a non-key attribute”?

## How To Memorize Faster and Easier For Exams

How To Memorize Faster and Easier For Exams Time for school! And it’s no surprise that several people area unit determined to review smarter rather…