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Head-to-head · Relational Databases

PostgreSQL vs Oracle Database

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score PostgreSQL #1 in Relational Databases 9.4/10 Free plan Free plan✓ 3 of 4 features Visit PostgreSQL
Oracle Database #3 in Relational Databases 9.2/10 Free plan Free plan✓ 4 of 4 features Visit Oracle

PostgreSQL leads on 0 checks, Oracle Database on 1, and 4 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scorePostgreSQL · 9.4/10
  • Free planboth
  • Most featuresOracle Database · 4 of 4

PostgreSQL scores higher on our rubric for relational databases: 9.4 against 9.2 out of 10; our editors rank them #1 and #3.

On deployment model, Oracle Database gives you Both where PostgreSQL offers Self_hosted. Oracle Database offers managed service; PostgreSQL doesn't.

PostgreSQL is the better fit for open-source production databases. Oracle Database is the better fit for enterprise databases with broad capabilities.

  • PostgreSQL fits best

    Open-source production databases

  • Oracle Database fits best

    Enterprise databases with broad capabilities

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Side by side

Feature PostgreSQL 9.4/10 Visit ↗ Oracle Database 9.2/10 Visit ↗
At a glance
Editor score 9.4 9.2
Ranking #1 in Relational Databases #3 in Relational Databases
Best for Open-source production databases Enterprise databases with broad capabilities
Pricing model Free Free plan + paid
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Self-hosted Cloud, Self-hosted
Platforms Windows, macOS, Linux Windows, Linux, Web
Support Community, Docs Community, Docs, Tickets
Built for Solo, Small business, Mid-market, Enterprise Mid-market, Enterprise
Features PostgreSQL 3/4 · Oracle Database 4/4
Managed service — ✓ (best)
High availability ✓ ✓
Read replicas ✓ ✓
JSON data support ✓ ✓
Specs
Deployment model Self_hosted Both
Backup retention Not checked yet Not checked yet
Maximum connections Not checked yet Not checked yet
Our review
Pros
  • Advanced indexing, partitioning, replication, and failover
  • Supports SQL, JSONB, transactions, and concurrency control
  • Free, open source, and available on Linux, macOS, and Windows
  • Supports relational, JSON, graph, spatial, text, and vector workloads
  • Includes RAC, Data Guard, failover, and replica offloading capabilities
  • Runs across cloud, partner clouds, private environments, and on premises
Cons
  • Self-hosted deployment requires installation and administration
  • No built-in AI features
  • Requires technical expertise for advanced configuration and security
  • Proprietary rather than open source
  • Pricing spans editions, licensing models, services, and consumption metrics
  • Broad capabilities may exceed the needs of simpler database projects
Our verdict

PostgreSQL is an open-source object-relational database system for developers, data engineers, and organizations that need SQL-based relational storage with extensibility. It handles structured data alongside JSON and JSONB, and supports…

Read the review →

Oracle Database is a relational database platform for enterprise transactional, analytical, application-development, and distributed workloads. Its scope extends beyond relational SQL and PL/SQL to include JSON storage and querying, graph,…

Read the review →
  1. PostgreSQLRelational Databases 9.4Free plan
  2. Oracle DatabaseRelational Databases 9.2Free plan

Strengths and trade-offs

  • PostgreSQL — where it wins

    • Advanced indexing, partitioning, replication, and failover
    • Supports SQL, JSONB, transactions, and concurrency control
    • Free, open source, and available on Linux, macOS, and Windows

    Where it doesn't

    • Self-hosted deployment requires installation and administration
    • No built-in AI features
    • Requires technical expertise for advanced configuration and security

  • Oracle Database — where it wins

    • Supports relational, JSON, graph, spatial, text, and vector workloads
    • Includes RAC, Data Guard, failover, and replica offloading capabilities
    • Runs across cloud, partner clouds, private environments, and on premises

    Where it doesn't

    • Proprietary rather than open source
    • Pricing spans editions, licensing models, services, and consumption metrics
    • Broad capabilities may exceed the needs of simpler database projects
  • PostgreSQL9.4/10 · Free plan

    A free, extensible relational database for production workloads and technical teams.

    Visit PostgreSQLFull verdict →
  • Oracle Database9.2/10 · Free plan

    A mature enterprise database with unusually broad data-model and availability capabilities.

    Visit OracleFull verdict →

More comparisons

All relational databases comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update