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UNIT II EntityRelationship Model: Introduction, The Building blocks of an Entity Relationship Diagram, classification of entity sets, attribute classification, relationship degree, relationship classification,

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How to fill out chapter 2 entity-relationship model

01

Identify all the entities involved in the system being modeled.

02

Identify the relationships between the entities.

03

Define the attributes for each entity.

04

Determine the primary key for each entity.

05

Draw the entities as rectangles, the attributes as ovals, and the relationships as lines connecting the entities.

Who needs chapter 2 entity-relationship model?

01

Database designers and developers use the entity-relationship model to design databases.

02

Software architects use the entity-relationship model to understand the data structure of a system.

03

Business analysts use the entity-relationship model to document the data requirements of a project.

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What is chapter 2 entity-relationship model?

Chapter 2 entity-relationship model is a data modeling technique used to visually represent the entities and the relationships between them in a database system.

Who is required to file chapter 2 entity-relationship model?

Anyone involved in the design, development, or maintenance of a database system may be required to file chapter 2 entity-relationship model.

How to fill out chapter 2 entity-relationship model?

To fill out a chapter 2 entity-relationship model, you need to identify all the entities in the database, define their attributes, and establish the relationships between them using symbols such as lines and arrows.

What is the purpose of chapter 2 entity-relationship model?

The purpose of a chapter 2 entity-relationship model is to provide a clear and concise visual representation of the data structure within a database system.

What information must be reported on chapter 2 entity-relationship model?

A chapter 2 entity-relationship model should include the names of all entities, their respective attributes, and the relationships between them.

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