MySQL vs PostgreSQL

MySQL is widely supported and simple. PostgreSQL is more powerful and standards-compliant.

MySQL

The world's most popular open-source relational database.

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PostgreSQL

Advanced open-source database with strong standards compliance.

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Feature Comparison

FeatureMySQLPostgreSQLFree SQL Converter
Performance (read-heavy)ExcellentVery goodN/A
JSON supportBasicAdvanced (JSONB)N/A
Standards complianceModerateHigh (SQL standard)N/A
Full-text searchBasicAdvancedN/A
Cloud supportExcellent (RDS, PlanetScale)Excellent (Supabase, Neon)N/A

Verdict

MySQL suits simple read-heavy apps. PostgreSQL is better for complex queries and JSON. Need to convert MySQL queries to PostgreSQL? Use our free converter.

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Frequently Asked Questions

What is the difference between MySQL and PostgreSQL?

MySQL is widely supported and simple. PostgreSQL is more powerful and standards-compliant. On the points that matter most: Performance (read-heavy) — MySQL: Excellent; PostgreSQL: Very good. JSON support — MySQL: Basic; PostgreSQL: Advanced (JSONB). Standards compliance — MySQL: Moderate; PostgreSQL: High (SQL standard).

Is MySQL better than PostgreSQL?

MySQL suits simple read-heavy apps. PostgreSQL is better for complex queries and JSON. Need to convert MySQL queries to PostgreSQL? Use our free converter. If you mainly need the core feature without a subscription or signup, Free SQL Converter is a free alternative to both.

Is there a free alternative to both MySQL and PostgreSQL?

Yes — our Free SQL Converter is completely free with no account required.

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