Top 10 Most Used RDBMS Databases in 2025

Based on the input conditions, we created a ranking of the most used databases for 2025 with AI.Inpust parameters :

Developer surveys ,
Enterprise adoption patterns ,
cloud provider usage,
used technology Trends in 2025

Open‑source RDBMS dominate total deployment

PostgreSQL and MySQL lead due to:

• Popularity in SaaS and web applications
• Low cost and easy onboarding
• Massive developer communities
• Strong cloud support

Enterprise RDBMS dominate mission‑critical workload

Oracle Database and Microsoft SQL Server remain essential for:

• Financial systems
• Telecom infrastructure
• Government platforms
• ERP and legacy systems

Cloud‑native RDBMS are the fastest‑growing segmen

Platforms like Amazon Aurora, Google AlloyDB, and Snowflake grow rapidly thanks to:

• Fully managed operations
• High availability
• Pay‑as‑you‑go pricing

SQLite is the most deployed database on Eart

It powers:

• Browsers
• IoT devices
• Edge computing

SAP HANA and IBM Db2 remain strong in specialized sector

These systems thrive in:

• ERP workloads
• Mainframe and financial system

1. Oracle Database

Best for: Enterprise, finance, telecom, government
Why it leads:

• Elite OLTP/OLAP performance
• Autonomous Database automation
• Industry‑leading security
• Multi‑model support
• Deep enterprise adoption

2. MySQL

Best for: Web apps, SaaS, startups
Why it remains dominant:

• Powers millions of websites
• Cloud‑optimized variants (Aurora)
• Easy to learn & operate

3. Microsoft SQL Server

Best for: Enterprise, BI, hybrid cloud
Why it’s widely used:

• CTight Azure & Power BI integration
• Strong analytics features
• Enterprise‑grade security

4. PostgreSQL

Best for: Modern apps, cloud‑native workloads
Why it’s the fastest‑growing RDBMS:

• Advanced open‑source SQL engine
• Extensible (PostGIS, Timescale, pgVector)
• Strong cloud support

5. Snowflake

Best for: Analytics, BI, data engineering
Why it’s exploding in popularity:

• Cloud‑native architecture
• Compute/storage separation
• Multi‑cloud support

6. MariaDB

Best for: Open‑source enterprise workloads
Why it’s widely used:

• Drop‑in MySQL replacement
  Columnar & distributed SQL
• Strong EU adoption

7. IBM DB2

Best for: Banking, insurance, mainframes
Why it remains relevant:

• High‑performance OLTP
• Strong security & auditing

8. SAP HANA

Best for: ERP, real‑time analytics
Why it’s widely used:

Why it’s widely used:

• Core of SAP S/4HANA
• In‑memory performance

9. Amazon Aurora

Best for: Cloud‑native apps, SaaS. Amazon Aurora delivers enterprise-grade reliability, performance, and scalability while maintaining the familiarity of open-source relational databases—all as a fully managed cloud service. It’s a strong choice for applications that have outgrown traditional databases but still rely on relational data models.
Cloud-native scalability
Compatibility with MySQL or PostgreSQL

Why it’s growing fast:

• 3–5× faster than MySQL/PostgreSQL
• Fully managed
• Serverless auto‑scaling

10. SQLite

Best for: SQLite’s best features are its simplicity, portability, reliability, and zero-administration design. It’s not meant to replace large client-server databases, but for embedded, mobile, desktop, and local storage use cases, it’s one of the best solutions available.

Why it’s the most deployed DB on Earth:

• Embedded in billions of devices
• Zero‑config & lightweigh