# Introduction to Domain-Driven Design and Domain Models

DevFeed: [Introduction to Domain-Driven Design and Domain Models](<https://devfeed.tech/articles/from-database-to-domain-elevating-software-development-with-ddd-introduction-30792.md>)

Original publisher: [Read original article](<https://devblog.kogan.com/blog/from-database-to-domain-ddd-introduction>)

Author: Renlester De Guzman

Published: 2024-02-27T05:18:38Z

Content type: tutorial

Language: en

Sources: [Kogan.com](<https://devfeed.tech/sources/kogan-com.md>)

Topics: [Domain-driven design (DDD)](<https://devfeed.tech/topics/domain-driven-design.md>), [Databases](<https://devfeed.tech/topics/databases.md>), [Architecture & Design](<https://devfeed.tech/topics/architecture-design.md>)

Tags: [architecture](<https://devfeed.tech/tags/architecture.md>), [database](<https://devfeed.tech/tags/database.md>), [ddd](<https://devfeed.tech/tags/ddd.md>), [domain-driven-design](<https://devfeed.tech/tags/domain-driven-design.md>), [leadership](<https://devfeed.tech/tags/leadership.md>), [process](<https://devfeed.tech/tags/process.md>)

## AI overview

An introduction to Domain-Driven Design (DDD), covering its focus on business models, core domain-model concepts, and the contrast between domain-level and database-level business logic.

## Source excerpt

In the complex landscape of software development, aligning design methodologies with business needs is crucial. Domain-Driven Design (DDD) emerges as a key approach in addressing this alignment, especially in projects characterized by intricate business rules and processes. This methodology stands in contrast to traditional practices, such as embedding business logic within databases, offering a more adaptable and business-focused perspective. Section 1: Understanding Domain-Driven Design Definition and Focus DDD is centered around developing software that intricately reflects the business models it aims to serve. It emphasizes a deep understanding of the business domain, ensuring that the software development process is driven by this knowledge, thereby facilitating a common language between developers and business stakeholders. History and Evolution Pioneered by Eric Evans, DDD has grown from a set of principles into a comprehensive approach, widely recognized for its ability to tackle complex business challenges through software. Aligning Design with Business Needs The essence of DDD lies in its focus on business-relevant software development, a principle that aligns closely with the need for software to be adaptable and directly linked to business objectives. Section 2: Core Concepts of Domain-Driven Design In DDD, concepts like Entities, Value Objects, Aggregates, Domain Events, Repositories, and Bounded Contexts form the foundation of a robust domain model. Entities and Value Objects: Entities are defined by their identity, playing a crucial role in maintaining business continuity, while Value Objects add depth and integrity to the domain model. Domain Model vs Database-Level Logic The decision to embed business logic in the domain model rather than in the database is pivotal. Traditional database-centric approaches can lead to scalability challenges and obscure the business logic from the development team. A domain-centric approach, as proposed by DDD, enhanc