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postgresql vs mysql vs mariadb
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‎archetypes/default.md‎

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categories: ["Fully managed", CATEGORIES]
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title: 'TITLE'
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date: '2025-08-23'
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summary: 'SUMMARY'
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description: 'DESCRIPTION'
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tags: []
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categories: []
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author: 'OctaByte'
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caption: 'CAPTION'
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alt: 'ALT'
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‎content/topics/open-source-databases/postgresql-vs-mysql-vs-mariadb/images/cover.png‎

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‎content/topics/open-source-databases/postgresql-vs-mysql-vs-mariadb/index.md‎

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title: 'PostgreSQL vs MySQL vs MariaDB: Which Open-Source Database Should You Choose?'
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date: '2025-09-03'
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summary: 'PostgreSQL, MySQL, and MariaDB are the most popular open-source databases, each serving different needs. PostgreSQL excels at complex queries and data integrity, MySQL is the go-to choice for simplicity and wide adoption, and MariaDB offers MySQL compatibility with better performance and scalability. Your choice depends on project size, performance requirements, and ecosystem.'
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description: 'PostgreSQL vs MySQL vs MariaDB compared — performance, features, scalability, and use cases explained to help you pick the best open-source database.'
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tags: [PostgreSQL vs MySQL vs MariaDB, open-source databases, SQL performance, relational database comparison, PostgreSQL features, MySQL pros and cons, MariaDB vs MySQL, best open-source database, database scalability, ACID compliance, database for web hosting]
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categories: ['Databases', 'Open-Source Hosting', 'Cloud & Infrastructure']
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author: 'OctaByte'
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cover:
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image: images/cover.png
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caption: 'PostgreSQL vs MySQL vs MariaDB — a side-by-side comparison of the top open-source databases for performance, scalability, and use cases'
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alt: 'Digital graphic comparing PostgreSQL, MySQL, and MariaDB logos side by side, highlighting differences in open-source database choices.'
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relative: true
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---
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## Quick Answer: PostgreSQL vs MySQL vs MariaDB
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If you’re deciding between PostgreSQL, MySQL, and MariaDB, here’s the short version: **PostgreSQL** is best for complex queries and advanced data integrity, **MySQL** excels in simplicity and broad community support, and **MariaDB** offers MySQL compatibility with better performance optimizations. Your choice depends on project scale, performance needs, and ecosystem.
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---
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## Introduction
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Open-source databases are the backbone of modern applications — from small websites to enterprise-scale systems. Choosing the right database can save you from major scalability, performance, and maintenance headaches later on. In this guide, we’ll break down the strengths and weaknesses of **PostgreSQL vs MySQL vs MariaDB** so you can confidently select the database that fits your project.
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---
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## What is PostgreSQL?
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PostgreSQL, often called “Postgres,” is a powerful **object-relational database system** known for reliability and advanced features.
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* ACID compliant
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* Strong support for complex queries and data integrity
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* Extensible with custom data types and functions
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* Excellent for enterprise applications
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**Best for:** Data-heavy applications, analytics, GIS, and systems requiring high consistency.
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---
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## What is MySQL?
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MySQL is the most popular open-source database, widely used for web applications.
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* Easy to use and widely supported
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* Strong community and documentation
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* Excellent performance for read-heavy workloads
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* Works seamlessly with popular platforms like WordPress
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**Best for:** Websites, CMS platforms, and applications needing fast reads with moderate complexity.
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---
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## What is MariaDB?
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MariaDB is a community-driven fork of MySQL, created after Oracle acquired MySQL.
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* 100% compatible with MySQL (drop-in replacement)
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* Improved performance and scalability
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* Open governance model ensures long-term community focus
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* Enhanced features like thread pooling and better replication
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**Best for:** Projects already using MySQL that want more performance and flexibility.
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---
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## PostgreSQL vs MySQL vs MariaDB: Feature Comparison
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| Feature | PostgreSQL | MySQL | MariaDB |
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| --------------------- | ---------------------------- | ------------------------- | ------------------------------- |
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| **ACID Compliance** | Yes | Yes | Yes |
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| **Performance** | Strong for complex queries | Strong for simple queries | Optimized for speed |
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| **Scalability** | Excellent for large datasets | Good for web apps | Better replication & clustering |
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| **Community Support** | Strong developer base | Largest community | Active and fast-growing |
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| **Compatibility** | Standards-compliant | Widely supported | MySQL-compatible |
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| **Use Cases** | Enterprise, data analysis | Web apps, CMS, SaaS | High-performance apps |
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---
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## Which Open-Source Database Should You Choose?
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* **Choose PostgreSQL** if your application requires **complex queries, analytics, or strict data integrity**.
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* **Choose MySQL** if you want **simplicity, fast setup, and compatibility with popular platforms**.
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* **Choose MariaDB** if you want **MySQL compatibility with better performance and scalability**.
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---
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## FAQs About PostgreSQL, MySQL, and MariaDB
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### Is MariaDB faster than MySQL?
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Yes, in many cases MariaDB offers better performance due to features like thread pooling, improved replication, and optimized storage engines.
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### Can I switch from MySQL to MariaDB easily?
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Yes. MariaDB is designed as a drop-in replacement for MySQL, meaning you can usually migrate without code changes.
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### Why choose PostgreSQL over MySQL?
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PostgreSQL is preferred for complex queries, data integrity, and advanced analytics. It’s ideal for applications where accuracy and reliability are more critical than raw speed.
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### Which database is best for web hosting?
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For most CMS platforms like WordPress, **MySQL** (or MariaDB) is the go-to choice. For custom applications that need advanced features, PostgreSQL may be better.
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---
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## Conclusion
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When comparing **PostgreSQL vs MySQL vs MariaDB**, the right choice depends on your use case:
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* PostgreSQL for **data-heavy, complex systems**
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* MySQL for **simple, widely supported applications**
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* MariaDB for **a faster, more scalable MySQL alternative**
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Want more open-source hosting insights? Don’t miss [Top Open-Source Databases for Hosting](https://octabyte.io/fully-managed-open-source-services/databases/).

‎content/topics/open-source-databases/ultimate-guide-2025/index.md‎

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Related Post: *PostgreSQL vs MySQL vs MariaDB: Which One Should You Choose?*
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Related Post: [PostgreSQL vs MySQL vs MariaDB: Which One Should You Choose?](/topics/open-source-databases/postgresql-vs-mysql-vs-mariadb)
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‎themes/PaperMod‎

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