Data Models

focuses on how the database structure will be used to store and manage end-user data

• Data Modeling

• Database design

• Data Model Basic Building Blocks

• data model

the first step in designing a database, refers to the process of creating a specific data model for a determined problem domain

• Data Modeling

• Database design

• Data Model Basic Building Blocks

• data model

is relatively simple representation, usually graphical, of more complex real-world data structures.

• Data Modeling

• Database design

• Data Model Basic Building Blocks

• data model

It is a person, place, thing, or event about which data will be collected and stored

• Data

• Entity

• Attribute

• Relationship

It is a characteristic of an entity

• Data

• Entity

• Attribute

• Relationship

It describes an association among entities

• Data

• Entity

• Attribute

• Relationship

It was developed in the 1960s to manage large amounts of data for complex manufacturing projects

• Relational Model

• Hierarchical Model

• Entity Relationship Model

• Network Model

It was created to represent complex data relationships more effectively than the hierarchical model, to improve database performance, and to impose a database standard.

• Relational Model

• Hierarchical Model

• Entity Relationship Model

• Network Model

The foundation of mathematical concept is known as a relation.

• Relational Model

• Hierarchical Model

• Entity Relationship Model

• Network Model

The graphical representation of entities and their relationships in a database structure quickly became popular, because it complemented the relational data model concepts.

• Relational Model

• Hierarchical Model

• Entity Relationship Model

• Network Model