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Posts on building, using, and learning about databases.

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8 PostgreSQL security hardening tips for production databases
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8 PostgreSQL security hardening tips for production databases

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6 min read
Your SQL client is a relic. Here's what a DuckDB-native IDE looks like
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Your SQL client is a relic. Here's what a DuckDB-native IDE looks like

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2 min read
SQLite in Production: When the Simplest Database Is the Right One

SQLite in Production: When the Simplest Database Is the Right One

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3 min read
Why Don't Databases Understand Documents?
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Why Don't Databases Understand Documents?

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8 min read
Stop Using Cosine for Everything: 5 Distance Metrics That Unlock Hidden Powers in Your Vector Database

Stop Using Cosine for Everything: 5 Distance Metrics That Unlock Hidden Powers in Your Vector Database

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8 min read
I Built a Lightweight Database GUI Because I Was Tired of Heavy Tools

I Built a Lightweight Database GUI Because I Was Tired of Heavy Tools

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2 min read
7 MongoDB indexing strategies to speed up your queries
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7 MongoDB indexing strategies to speed up your queries

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6 min read
From Idea to Database: A Practical Guide to Database Design
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From Idea to Database: A Practical Guide to Database Design

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17 min read
Why I Replaced Vector Databases with Markdown Files for AI Agent Memory

Why I Replaced Vector Databases with Markdown Files for AI Agent Memory

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3 min read
Your RAG pipeline is missing two-thirds of the picture

Your RAG pipeline is missing two-thirds of the picture

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10 min read
Week 6: How GusLift Matches Rides in Real Time
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Week 6: How GusLift Matches Rides in Real Time

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2 min read
A Evolução do Modelo Relacional para Objeto-Relacional

A Evolução do Modelo Relacional para Objeto-Relacional

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5 min read
Local Centralized Database Manager
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Local Centralized Database Manager

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2 min read
I indexed 30 million Hacker News posts into a single Postgres database. Here is what I learned about pgvector at scale.
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I indexed 30 million Hacker News posts into a single Postgres database. Here is what I learned about pgvector at scale.

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4 min read
Introducing Postgres Lite: A Pure JS Embedded Engine for Node.js, Bun, and the Browser

Introducing Postgres Lite: A Pure JS Embedded Engine for Node.js, Bun, and the Browser

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3 min read
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