Giovanni Martinez

Database engineer, PostgreSQL specialist, and builder of tools that help teams work with Postgres faster and smarter.

Tiger Data · AWS Community Builder · 10+ years in PostgreSQL

I help teams get the most out of PostgreSQL — through tooling, writing, and hands-on support. I've spent a decade diagnosing performance problems, designing schemas, and automating database operations. Everything I build here comes from real production experience.

PostgreSQL Tools

Free, no-signup tools — EXPLAIN visualizer, index advisor, schema generator, and 8 more.

11 tools live

Blog

Deep dives on PostgreSQL internals, performance tuning, and database engineering.

13 posts

The Book

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PostgreSQL Internals Mastery — the deep dive for engineers who want to understand how Postgres really works.

Available now

iqtoolkit

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Open-source PostgreSQL diagnostic toolkit.

Open source