PostgreSQL vs MySQL
PostgreSQL for advanced features and modern applications; MySQL for simple read-heavy web workloads. PostgreSQL is the default for new projects in 2026.
Quick Comparison
| Feature | PostgreSQL | MySQL |
|---|---|---|
| Type | Object-relational | Relational |
| License | PostgreSQL (permissive) | GPL v2 (Oracle) |
| JSON | JSONB (binary, indexed) | Basic JSON |
| Best For | Complex queries, analytics | Read-heavy web apps |
| Managed | RDS, Supabase, Neon | RDS, PlanetScale |
PostgreSQL
- Type:
- Object-relational
- License:
- PostgreSQL (permissive)
- JSON:
- JSONB (binary, indexed)
- Best For:
- Complex queries, analytics
- Managed:
- RDS, Supabase, Neon
MySQL
- Type:
- Relational
- License:
- GPL v2 (Oracle)
- JSON:
- Basic JSON
- Best For:
- Read-heavy web apps
- Managed:
- RDS, PlanetScale
Feature Comparison
| Feature | PostgreSQL | MySQL |
|---|---|---|
| Data Types | ||
| JSONB Support | 5 | 3 |
| Geospatial | 5 | 2 |
| Full-text Search | 4 | 3 |
| Array Types | 5 | 1 |
| Range Types | 5 | 1 |
| Performance | ||
| Simple Reads | 4 | 5 |
| Complex Queries | 5 | 3 |
| Replication | 4 | 5 |
| Partitioning | 4 | 4 |
| Concurrency | 5 | 4 |
Data Types
JSONB Support
Geospatial
Full-text Search
Array Types
Range Types
Performance
Simple Reads
Complex Queries
Replication
Partitioning
Concurrency
Legend:
Our Verdict
PostgreSQL for advanced features and modern applications; MySQL for simple read-heavy web workloads. PostgreSQL is the default for new projects in 2026.
💡 This verdict is based on general use cases. Your specific requirements, existing tech stack, and team expertise should guide your final decision.
Frequently Asked Questions
Which database is better for handling complex analytical queries in a data warehouse scenario?
PostgreSQL excels in complex queries and analytics due to its advanced features like JSONB (binary, indexed) and object-relational capabilities. MySQL, while capable, is better suited for simpler read-heavy workloads. For data warehouses requiring advanced analytics, PostgreSQL is the recommended choice in 2026.
How do PostgreSQL and MySQL differ in their JSON support for data warehouse applications?
PostgreSQL offers JSONB, a binary format that supports indexing and efficient querying, ideal for data warehouses. MySQL provides basic JSON support without the same level of optimization. For applications requiring robust JSON handling, PostgreSQL is the superior option.
What licensing considerations should I be aware of when choosing between PostgreSQL and MySQL for a data warehouse?
PostgreSQL uses a permissive license, allowing flexible deployment. MySQL, under GPL v2, may require open-source compliance. For data warehouses needing permissive licensing, PostgreSQL is the default choice in 2026.
Which database is more suitable for modern data warehouse projects requiring scalability and advanced features?
PostgreSQL is the default for new data warehouse projects in 2026, offering advanced features like JSONB and object-relational capabilities. MySQL, while suitable for simple read-heavy workloads, lacks the scalability and modern features required for complex data warehousing.