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

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I'm Building an Open-Source PostgreSQL Backup and Recovery Tool. Help Me Test It.

I'm Building an Open-Source PostgreSQL Backup and Recovery Tool. Help Me Test It.

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4 min read
Cloud SQL's new default has no IP address. Reaching it from a Mac through IAP

Cloud SQL's new default has no IP address. Reaching it from a Mac through IAP

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6 min read
asyncpg vs SQLAlchemy ORM - The 9x Slowdown Nobody Warns You About

asyncpg vs SQLAlchemy ORM - The 9x Slowdown Nobody Warns You About

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Comments 3
17 min read
Building an evidence-based job application tracker with Rails 8, pgvector and Claude

Building an evidence-based job application tracker with Rails 8, pgvector and Claude

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6 min read
Database Transactions Are Lying to You: What Isolation Levels Actually Guarantee

Database Transactions Are Lying to You: What Isolation Levels Actually Guarantee

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8 min read
Stop Indexing Boolean Columns in PostgreSQL. Do This Instead.

Stop Indexing Boolean Columns in PostgreSQL. Do This Instead.

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3 min read
pg_dump on Supabase: "query would be affected by row-level security policy"

pg_dump on Supabase: "query would be affected by row-level security policy"

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2 min read
Your database says "saved" before it touches the table. Here's why that's safe.

Your database says "saved" before it touches the table. Here's why that's safe.

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Comments 1
5 min read
Two migrations collide: one loud failure, one silent one

Two migrations collide: one loud failure, one silent one

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6 min read
Optimasi Arsitektur Database PostgreSQL dan Redis Caching untuk Menangani Beban Jutaan Kueri

Optimasi Arsitektur Database PostgreSQL dan Redis Caching untuk Menangani Beban Jutaan Kueri

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3 min read
42501 permission denied for table

42501 permission denied for table

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4 min read
Supabase 42501 permission denied is a grant problem, not RLS

Supabase 42501 permission denied is a grant problem, not RLS

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4 min read
A strategy game that keeps running while nobody is online

A strategy game that keeps running while nobody is online

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7 min read
Our updated_at is maintained by the ORM, not the database, and 10 of 25 tables have one

Our updated_at is maintained by the ORM, not the database, and 10 of 25 tables have one

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4 min read
All 59 timestamp columns in our schema are without time zone, and the public API still appends a Z

All 59 timestamp columns in our schema are without time zone, and the public API still appends a Z

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5 min read
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