# Data Modeling for Java Developers: Structuring With PostgreSQL and MongoDB

DevFeed: [Data Modeling for Java Developers: Structuring With PostgreSQL and MongoDB](<https://devfeed.tech/articles/data-modeling-for-java-developers-structuring-with-postgresql-and-mongodb-21831.md>)

Original publisher: [Read original article](<https://www.thepolyglotdeveloper.com/blog/2025/04/data-modeling-for-java-developers-structuring-with-postgresql-and-mongodb/>)

Author: Aasawari Sahasrabuddhe

Published: 2025-04-27T12:00:00Z

Content type: tutorial

Language: en

Sources: [Nic Raboy](<https://devfeed.tech/sources/nic-raboy.md>)

Topics: [data-modeling](<https://devfeed.tech/topics/data-modeling.md>), [Java](<https://devfeed.tech/topics/java.md>), [MongoDB](<https://devfeed.tech/topics/mongodb.md>), [PostgreSQL](<https://devfeed.tech/topics/postgresql.md>), [Databases](<https://devfeed.tech/topics/databases.md>), [Application Development](<https://devfeed.tech/topics/application-development.md>)

Tags: [acid](<https://devfeed.tech/tags/acid.md>), [application-development](<https://devfeed.tech/tags/application-development.md>), [data-modeling](<https://devfeed.tech/tags/data-modeling.md>), [java](<https://devfeed.tech/tags/java.md>), [mongodb](<https://devfeed.tech/tags/mongodb.md>), [postgres](<https://devfeed.tech/tags/postgres.md>), [postgresql](<https://devfeed.tech/tags/postgresql.md>), [tutorial](<https://devfeed.tech/tags/tutorial.md>), [vs](<https://devfeed.tech/tags/vs.md>)

## AI overview

This tutorial explains data modeling for Java developers by comparing PostgreSQL's relational approach with MongoDB's document-oriented model. It covers database relationships, including many-to-many relationships, and discusses trade-offs such as rigid schemas, ACID compliance, and scalability.

## Source excerpt

Application and system designs have always been considered the most essential step in application development. All the later steps and technologies to be used depend on how the system has been designe... The post Data Modeling for Java Developers: Structuring With PostgreSQL and MongoDB appeared first on DEV.