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

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1.5 Executor: How Results Come Back

1.5 Executor: How Results Come Back

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4 min read
1.4.10 Planner Hook: When It Fires, How to Use It

1.4.10 Planner Hook: When It Fires, How to Use It

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9 min read
1.4.7 Parallel Cost: When to Go Parallel and How Many Workers

1.4.7 Parallel Cost: When to Go Parallel and How Many Workers

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8 min read
1.4.9 Planner Preprocessing: Subquery Pull-up, Predicate Pushdown, Equivalence Classes

1.4.9 Planner Preprocessing: Subquery Pull-up, Predicate Pushdown, Equivalence Classes

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12 min read
1.4.6 Aggregate Cost: Choosing HashAgg vs GroupAgg

1.4.6 Aggregate Cost: Choosing HashAgg vs GroupAgg

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9 min read
How I Eliminated Race Conditions in a High-Concurrency Ticketing API

How I Eliminated Race Conditions in a High-Concurrency Ticketing API

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3 min read
Fix Database Deadlocks: Transaction Retries in Laravel 🛑

Fix Database Deadlocks: Transaction Retries in Laravel 🛑

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2 min read
Closing Chapter 1: From Query to Data

Closing Chapter 1: From Query to Data

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2 min read
Claude Code, Beyond the Prompt — Hardening an MCP Database Tool (Part 4 Deep Dive)

Claude Code, Beyond the Prompt — Hardening an MCP Database Tool (Part 4 Deep Dive)

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7 min read
I Built a NestJS Banking Ledger That Cannot Be Overdrawn, Even Under Concurrent Requests

I Built a NestJS Banking Ledger That Cannot Be Overdrawn, Even Under Concurrent Requests

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5 min read
Mi INSERT tardaba 25 minutos y no era culpa de los datos: construyendo un Data Warehouse de e-commerce con PostgreSQL

Mi INSERT tardaba 25 minutos y no era culpa de los datos: construyendo un Data Warehouse de e-commerce con PostgreSQL

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4 min read
The PostgreSQL mental model that finally clicked for me

The PostgreSQL mental model that finally clicked for me

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2 min read
Blazing Fast Analytics: Materialized Views in Larave

Blazing Fast Analytics: Materialized Views in Larave

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3 min read
Four Questions to Ask Before Celebrating a 4x Proxy Benchmark

Four Questions to Ask Before Celebrating a 4x Proxy Benchmark

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2 min read
I built a Stack Overflow for gamers as a solo dev — here’s the stack and why

I built a Stack Overflow for gamers as a solo dev — here’s the stack and why

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2 min read
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