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Posts on tips and tricks, using and learning about PostgreSQL for database development and analysis.

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What actually happens in a database index (and why half of them do nothing)

What actually happens in a database index (and why half of them do nothing)

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4 min read
Don't pick a partial index for speed: what I measured on a 10M-row Postgres queue table

Don't pick a partial index for speed: what I measured on a 10M-row Postgres queue table

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9 min read
A rate limiter changes when it leaves memory

A rate limiter changes when it leaves memory

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4 min read
Postgres Can Do Typo-Tolerant Search. You Don't Need Elasticsearch Yet.

Postgres Can Do Typo-Tolerant Search. You Don't Need Elasticsearch Yet.

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3 min read
Parte 2: Resolvendo o Desafio Técnico de Backend do PicPay

Parte 2: Resolvendo o Desafio Técnico de Backend do PicPay

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3 min read
PostgreSQL psql: Schema Navigation Quick Reference

PostgreSQL psql: Schema Navigation Quick Reference

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1 min read
How We Architected an Enterprise-Grade PostgreSQL Database on Supabase with a 99.99% Cache Hit Ratio

How We Architected an Enterprise-Grade PostgreSQL Database on Supabase with a 99.99% Cache Hit Ratio

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5 min read
I spent three months building Stripe for Nepal, alone

I spent three months building Stripe for Nepal, alone

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10 min read
Why Supabase RLS is Slow (and How to Fix It)

Why Supabase RLS is Slow (and How to Fix It)

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1 min read
The Notification Born out of Love: Building an Adaptive Geofencing Engine for Digital Wallets

The Notification Born out of Love: Building an Adaptive Geofencing Engine for Digital Wallets

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2 min read
Running Terraform Enterprise Active-Active on OpenShift: Lessons Learned

Running Terraform Enterprise Active-Active on OpenShift: Lessons Learned

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9 min read
Schema catalogs for AI assistants: the layer nobody wants to maintain

Schema catalogs for AI assistants: the layer nobody wants to maintain

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6 min read
I Solved Double-Booking Without Locks — Using One PostgreSQL Constraint

I Solved Double-Booking Without Locks — Using One PostgreSQL Constraint

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4 min read
I Solved Double-Booking Without Locks — Using One PostgreSQL Constraint

I Solved Double-Booking Without Locks — Using One PostgreSQL Constraint

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4 min read
How to Drop All Tables in PostgreSQL Safely (2026)

How to Drop All Tables in PostgreSQL Safely (2026)

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6 min read
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