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#postgres

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

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I tested a PostgreSQL migration checker on 760 real migration files

I tested a PostgreSQL migration checker on 760 real migration files

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3 min read
Transactional Outbox Pattern: Prevent Lost Events in EDA

Transactional Outbox Pattern: Prevent Lost Events in EDA

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4 min read
PostgreSQL 19: Online Table Reorganization with REPACK (Similar to Oracle DBMS_REDEFINITION)

PostgreSQL 19: Online Table Reorganization with REPACK (Similar to Oracle DBMS_REDEFINITION)

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6 min read
Otimização de Consultas e Consistência de Dados

Otimização de Consultas e Consistência de Dados

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2 min read
What Is an ER Diagram and How to Read One

What Is an ER Diagram and How to Read One

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3 min read
Supabase RLS Not Working? Fix It by Symptom (5 Symptoms, 30-Second Check for Each)

Supabase RLS Not Working? Fix It by Symptom (5 Symptoms, 30-Second Check for Each)

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5 min read
credits_remaining -= 1 is a race condition

credits_remaining -= 1 is a race condition

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5 min read
Your AI will fail. Your billing system needs to know that.

Your AI will fail. Your billing system needs to know that.

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5 min read
Why Adding an Index Won't Fix Your Slow COUNT(*) in PostgreSQL

Why Adding an Index Won't Fix Your Slow COUNT(*) in PostgreSQL

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5 min read
Moving a Live SaaS from Firebase to Supabase: 283 Functions, 139 Tables, Zero Password Resets

Moving a Live SaaS from Firebase to Supabase: 283 Functions, 139 Tables, Zero Password Resets

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5 min read
From GraphQL types to a PostgreSQL API with Simfinity.js

From GraphQL types to a PostgreSQL API with Simfinity.js

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3 min read
pglite vs Tinbase: different tools for different jobs

pglite vs Tinbase: different tools for different jobs

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4 min read
Cron Worker Retry Failure Capture Explained — Durable Background Evidence for SaaS

Cron Worker Retry Failure Capture Explained — Durable Background Evidence for SaaS

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6 min read
How I stopped double bookings with one Postgres constraint (no locks, no race conditions)

How I stopped double bookings with one Postgres constraint (no locks, no race conditions)

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3 min read
Hybrid Search in Postgres with pgvector: Field Notes on HNSW, tsvector, and Why Pure Vector Search Missed Exact Matches

Hybrid Search in Postgres with pgvector: Field Notes on HNSW, tsvector, and Why Pure Vector Search Missed Exact Matches

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7 min read
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