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#postgres

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

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My security test was green for six weeks because it could not turn red

My security test was green for six weeks because it could not turn red

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3 min read
PostgreSQL Multi-Tenancy: Isolation That Survives a Growing Team

PostgreSQL Multi-Tenancy: Isolation That Survives a Growing Team

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4 min read
We wrote a graph of edges for months and never traversed it. Here is the one-hop query, and why we stopped at one.

We wrote a graph of edges for months and never traversed it. Here is the one-hop query, and why we stopped at one.

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5 min read
PostgreSQL Cheat Sheet: Investigating and Terminating Database Blocking Sessions

PostgreSQL Cheat Sheet: Investigating and Terminating Database Blocking Sessions

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8 min read
Simple Hosted Metrics Dashboard API Explained (for Small Node.js SaaS with Postgres)

Simple Hosted Metrics Dashboard API Explained (for Small Node.js SaaS with Postgres)

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7 min read
How I Built a Wedding Planning Suite with Supabase in 3 Months

How I Built a Wedding Planning Suite with Supabase in 3 Months

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9 min read
One Gigabyte per Survey, of Which 108 KB Goes in the Database

One Gigabyte per Survey, of Which 108 KB Goes in the Database

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4 min read
MVCC Explained: Build Postgres-Style Snapshots in 100 Lines of TypeScript

MVCC Explained: Build Postgres-Style Snapshots in 100 Lines of TypeScript

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12 min read
My app could read the database. pgAdmin couldn't. Both were pointing at "localhost:5432"

My app could read the database. pgAdmin couldn't. Both were pointing at "localhost:5432"

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3 min read
Database Connections in Serverless: Field Notes on Pool Math, PgBouncer Transaction Mode, and the Singleton HMR Kept Recreating

Database Connections in Serverless: Field Notes on Pool Math, PgBouncer Transaction Mode, and the Singleton HMR Kept Recreating

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5 min read
UUIDs explained — the uniqueness myth, the version you should be using, and the database mistake that slows everything down

UUIDs explained — the uniqueness myth, the version you should be using, and the database mistake that slows everything down

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8 min read
A Shapefile Is Four Files, and the Important One Is Optional

A Shapefile Is Four Files, and the Important One Is Optional

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5 min read
Building a Notification Service: Cloud Tasks Delivery, Circuit Breakers, and Webhook Dispatch

Building a Notification Service: Cloud Tasks Delivery, Circuit Breakers, and Webhook Dispatch

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5 min read
Building a RAG Retrieval Service: pgvector, Embedding Migrations, and Provenance Tracking

Building a RAG Retrieval Service: pgvector, Embedding Migrations, and Provenance Tracking

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3 min read
Supabase Auth Schema Explained: Users, Identities, Sessions

Supabase Auth Schema Explained: Users, Identities, Sessions

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4 min read
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