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MySQL vs PostgreSQL (2026): tradeoffs and verdict

MySQL (and MariaDB) still powers huge swaths of web OLTP; PostgreSQL wins teams that want richer SQL, extensions, and a neutral OSS center of gravity.

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Overview

MySQL earned dominance in web stacks: simple replication stories, omnipresent hosting, and endless tutorials. PostgreSQL attracts teams that want standards-faithful SQL, richer types, and extensions—from PostGIS to pgvector—without leaving the engine.

The boring decision rule: new services without legacy constraints often default to Postgres; existing MySQL fleets stay until features or ops pain justify a migration. Benchmark your worst queries, not hello-world inserts.

Get my recommendation

Answer for your stack and constraints — scoring is deterministic for this comparison.

SQL & extensions

JSON / document-ish workloads

Licensing & hosting

Replication & HA mental model

Recommendation

PostgreSQL

Point spread: 0% — share of combined points

Near tie on points — use the comparison and your own constraints.

From your answers

  • PostgreSQL is known for expressive SQL and extensions.
  • JSONB ergonomics often pull teams toward Postgres.

More context

  • Postgres-only features would simplify your schema or remove workarounds.
  • You answered toward extension ecosystems and complex queries.
  • Greenfield services can pick the engine without migration tax.

Scores

MySQL

73/100

PostgreSQL

87/100

Visual comparison

Normalized radar from structured scores (not personalized).

MySQLPostgreSQL

Scores are editorial and time-stamped to 2026—they cannot cover every niche. Verify pricing, regional availability, compliance, and security requirements for your situation.

Quick verdict

Choose MySQL if…

  • Your estate is already MySQL-shaped—migrations are riskier than incremental gains.
  • Operational playbooks and hiring skew MySQL/MariaDB for your org.
  • You don’t need Postgres-only features on the roadmap.

Choose PostgreSQL if…

  • Advanced SQL, rich types, or extensions like PostGIS are on the critical path.
  • You want the most neutral OSS database story for greenfield services.
  • Query complexity and analytics-ish workloads inside Postgres beat shoehorning MySQL.

Comparison table

FeatureMySQLPostgreSQL
SQL & extensionsStraightforward OLTP; JSON support exists—check version and needsRich SQL, CTEs, window functions, and extension ecosystem (PostGIS, etc.)
Hosting footprintUbiquitous in LAMP-style stacks and every major cloud managed MySQLDefault “serious OSS” pick for new apps—RDS, Cloud SQL, self-host
Replication & HABinlog replication patterns teams know; InnoDB cluster options varyStreaming replication, logical decoding—Patroni-style HA is common
Licensing storyOracle MySQL vs MariaDB fork landscape—watch vendor-specific featuresPostgreSQL license is simple; vendor extensions optional
PerformancePredictable for many web read/write patterns—tune with careStrong optimizer and features for complex queries—still needs tuning
Team fitExisting apps, hiring pool, and managed MySQL already standardGreenfield apps needing advanced SQL, types, or geospatial extensions

Best for…

Lowest friction for legacy LAMP-style stacks

Winner:MySQL

Inertia and managed MySQL everywhere keep migrations rare.

Depth for expressive SQL and extensions

Winner:PostgreSQL

Postgres wins feature breadth for demanding schemas.

Vendor-neutral OSS posture

Winner:PostgreSQL

Community Postgres avoids Oracle MySQL licensing questions for many teams.

What do people choose?

Community totals — you can vote once and change your mind anytime.

FAQ

Is MySQL or PostgreSQL objectively better?
Neither is universally better. The right pick depends on your constraints, budget, and tolerance for each product’s tradeoffs—not a headline score.
How often should I revisit this decision?
Markets and product roadmaps move quickly—revisit when pricing, security posture, or your workflow materially changes.

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