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Posts on building, using, and learning about databases.

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Encrypt Data with AWS KMS

Encrypt Data with AWS KMS

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6 min read
I Rebuilt My JavaScript Database From Scratch for the AI Agent Era

I Rebuilt My JavaScript Database From Scratch for the AI Agent Era

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4 min read
Apache IoTDB in Urban Rail Operations and Maintenance—Use Cases and Technical Deep Dive

Apache IoTDB in Urban Rail Operations and Maintenance—Use Cases and Technical Deep Dive

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4 min read
Finding and Fixing Performance Bottlenecks with Claude Code

Finding and Fixing Performance Bottlenecks with Claude Code

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3 min read
Inverted Index Explained: How Elasticsearch Achieves Sub-Millisecond Search on Billions of Documents

Inverted Index Explained: How Elasticsearch Achieves Sub-Millisecond Search on Billions of Documents

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6 min read
Databases: The Backbone of Modern Applications

Databases: The Backbone of Modern Applications

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5 min read
Why I Switched from Supabase to Prisma + PostgreSQL for My SaaS (2026)

Why I Switched from Supabase to Prisma + PostgreSQL for My SaaS (2026)

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4 min read
Otimizando Escrita e Performance em Ambientes com Delta Lake, MinIO e Spark

Otimizando Escrita e Performance em Ambientes com Delta Lake, MinIO e Spark

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3 min read
Building an AI tool that generates SQL queries from natural language

Building an AI tool that generates SQL queries from natural language

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2 min read
What I Found Inside Eloquent's increment()

What I Found Inside Eloquent's increment()

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2 min read
Neon vs Supabase (2026) — Database or Backend? The Real Tradeoffs

Neon vs Supabase (2026) — Database or Backend? The Real Tradeoffs

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4 min read
The Practical Limits of DuckDB on Commodity Hardware

The Practical Limits of DuckDB on Commodity Hardware

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15 min read
SQL Indexes Explained: Write Queries That Don't Make Your Database Cry

SQL Indexes Explained: Write Queries That Don't Make Your Database Cry

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6 min read
Django Migrations Explained: A Complete Production Guide

Django Migrations Explained: A Complete Production Guide

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17 min read
How My Firebase Bill Hit $300 in One Month (And Why I Don't Use Firebase Anymore)

How My Firebase Bill Hit $300 in One Month (And Why I Don't Use Firebase Anymore)

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4 min read
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