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EdgyCorner

Exploring where AI meets real work. Prompt engineering, content strategy, research workflows. Built in public. Everything here is tested before it's shared.

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PostgreSQL Like a Pro: The Tricks That Actually Matter in 2026

Most developers use 20% of PostgreSQL’s capabilities to do 80% of their work. Here is the other 80% — with the newest features from PostgreSQL 18 and 19 included.

12 min readOct 5, 2026

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PostgreSQL | Database performance | SQL tricks | PostgreSQL 18 19 2026

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Photo by Wolfgang Hasselmann on Unsplash

PostgreSQL is the second fastest-growing database in the DB-Engines rankings in 2026. It is also the database that most developers significantly underuse.

Not because they do not know it well. Because PostgreSQL is deep in ways that only reveal themselves when you hit a specific problem — and most developers solve that problem with a workaround rather than learning the right tool.

This guide covers the tricks, patterns, and new features in PostgreSQL 18 and 19 that separate the developers who fight with the database from the ones who work with it.

1. Stop Using SELECT * — Always

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Photo by Max Ostwalt on Unsplash

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Exploring where AI meets real work. Prompt engineering, content strategy, research workflows. Built in public. Everything here is tested before it's shared.