Choosing a Database for Your Next Web Project in 2026

A decade ago the question was "MySQL or PostgreSQL?" Today the landscape is significantly richer—and more confusing. SQLite is now a serious option for production workloads. Serverless databases have matured. Edge-compatible databases are a genuine category. Here's a practical guide to choosing the right database for your next web project.

MySQL / MariaDB: The Workhorse

MySQL remains the most widely deployed open-source relational database, and MariaDB (its community fork) has largely kept pace with feature development. For most web applications—CMS, e-commerce, SaaS—MySQL is a safe, well-supported choice with vast hosting compatibility. Its main weaknesses are the query planner and lack of some advanced SQL features that PostgreSQL handles elegantly.

PostgreSQL: The Power Option

If your application has complex querying needs, JSON document storage, full-text search, geospatial data, or custom data types, PostgreSQL is difficult to beat. Its query planner is excellent, its MVCC implementation is robust, and its extension ecosystem (PostGIS, pgvector for AI embeddings, TimescaleDB for time-series) is unmatched. The tradeoff is slightly more operational complexity and lower ubiquity in budget shared hosting environments.

SQLite: Surprisingly Production-Ready

SQLite's reputation as a "toy database" is outdated. With WAL mode enabled, it handles high read concurrency well. Platforms like Turso (distributed SQLite at the edge) and Cloudflare D1 have demonstrated that SQLite can power production workloads with global distribution. For smaller applications, content sites, or edge deployments, SQLite deserves serious consideration in 2026.

Serverless / Cloud Databases

PlanetScale (MySQL-compatible), Neon (PostgreSQL-compatible), and Supabase (PostgreSQL with extras) have matured into solid production choices. They offer branching workflows, scale-to-zero pricing, and managed operations. The main considerations are vendor lock-in, egress costs, and whether your hosting environment can connect to an external database with acceptable latency.

A Simple Decision Framework

Standard web app (CMS, blog, e-commerce): MySQL / MariaDB
Complex queries, JSON, geospatial, AI vectors: PostgreSQL
Edge deployment, small footprint, simplicity: SQLite / Turso
Managed ops, scale-to-zero, developer workflow: Neon / Supabase

Don't Over-Engineer Early

The best database is the one your team knows well and your hosting environment supports reliably. Switching databases is expensive; choose boring technology that solves your actual problem today, and re-evaluate when you have real scale data.