PostgreSQL vs Other Databases

In-depth comparisons between PostgreSQL and other database systems, covering performance, features, scalability, and use cases.

Performance Benchmarks

Real-world performance comparisons across different workloads and configurations.

Feature Analysis

Detailed comparison of database features, SQL compliance, and advanced capabilities.

Scalability Tests

How different databases handle increasing loads and growing datasets.

Use Case Scenarios

Which database performs best for specific application types and requirements.

Database Comparisons

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PostgreSQL vs MySQL

OLTP Performance
Complex Queries
Concurrency

Key Differences

  • ACID Compliance: PostgreSQL is fully ACID compliant, MySQL varies by engine
  • Advanced Features: PostgreSQL supports JSON, arrays, custom types
  • Extensibility: PostgreSQL allows custom functions and extensions
  • Performance: PostgreSQL excels in complex queries, MySQL in simple operations
Detailed Comparison →
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PostgreSQL vs Oracle

Enterprise Features
Cost Effectiveness
Performance

Key Differences

  • Licensing: PostgreSQL is open-source, Oracle requires expensive licenses
  • Scalability: Both handle large datasets well, Oracle has more enterprise tools
  • Standards: PostgreSQL has better SQL standards compliance
  • Ecosystem: Oracle has mature enterprise ecosystem, PostgreSQL growing rapidly
Detailed Comparison →
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PostgreSQL vs SQL Server

Windows Integration
Cross-Platform
Analytics Performance

Key Differences

  • Platform: SQL Server optimized for Windows, PostgreSQL truly cross-platform
  • Licensing: PostgreSQL free, SQL Server has various licensing tiers
  • Integration: SQL Server deeply integrated with Microsoft stack
  • Analytics: Both offer strong analytical capabilities
Detailed Comparison →
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PostgreSQL vs MongoDB

Structured Data
Flexible Schema
ACID Compliance

Key Differences

  • Data Model: PostgreSQL relational + JSON, MongoDB document-based
  • Schema: PostgreSQL structured, MongoDB flexible
  • Queries: PostgreSQL uses SQL, MongoDB uses query language
  • Transactions: PostgreSQL has mature ACID support
Detailed Comparison →

Quick Comparison Matrix

Feature PostgreSQL MySQL Oracle SQL Server MongoDB
Open Source ✓ ✓ ✗ ✗ ✓*
ACID Compliance Full Partial Full Full Partial
JSON Support Native Basic Good Good Native
Scalability Good Good Excellent Excellent Excellent
Performance High Good High High Good
Learning Curve Moderate Easy Steep Moderate Moderate

Which Database Should You Choose?

Choose PostgreSQL if you need:

  • Strong ACID compliance
  • Advanced SQL features
  • JSON and NoSQL capabilities
  • Extensibility and customization
  • Cost-effective enterprise features
  • Strong community support

Consider alternatives if you need:

  • MySQL: Simple setup and administration
  • Oracle: Maximum enterprise features and support
  • SQL Server: Deep Microsoft ecosystem integration
  • MongoDB: Document-based flexible schema