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

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How I Ran a Zero-Downtime Postgres Migration on a 180M-Row Table With Claude Code

How I Ran a Zero-Downtime Postgres Migration on a 180M-Row Table With Claude Code

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7 min read
I Fixed a Pricing Disaster With a Database Branch

I Fixed a Pricing Disaster With a Database Branch

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4 min read
From 35 seconds to half a second: 70 faster dashboards in plain Postgres

From 35 seconds to half a second: 70 faster dashboards in plain Postgres

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5 min read
Respaldo y recuperaciĂłn de PostgreSQL con despliegue automatizado en la nube

Respaldo y recuperaciĂłn de PostgreSQL con despliegue automatizado en la nube

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6 min read
Aurora PostgreSQL Backups at Scale, Part 1: Designing AWS Backup Across Multiple Accounts

Aurora PostgreSQL Backups at Scale, Part 1: Designing AWS Backup Across Multiple Accounts

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10 min read
Normalization vs denormalization in a real Postgres schema: what I fixed, and the copy I kept

Normalization vs denormalization in a real Postgres schema: what I fixed, and the copy I kept

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7 min read
Fixture Databases or Disposable Servers: A Debate for Agent SQL Rehearsal

Fixture Databases or Disposable Servers: A Debate for Agent SQL Rehearsal

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8 min read
One line in our Postgres config would have renamed the keys inside our JSONB

One line in our Postgres config would have renamed the keys inside our JSONB

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5 min read
Postgres says NULL is not equal to NULL, which is a bug in one of our unique indexes and a feature in another

Postgres says NULL is not equal to NULL, which is a bug in one of our unique indexes and a feature in another

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6 min read
Four things can close the same quiz question, and three of them have to lose

Four things can close the same quiz question, and three of them have to lose

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6 min read
High-Throughput Financial Timeseries with TimescaleDB CAGGs & pgvector Cosine Search

High-Throughput Financial Timeseries with TimescaleDB CAGGs & pgvector Cosine Search

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3 min read
Learning .NET Architecture — Part 1: Design and Setup

Learning .NET Architecture — Part 1: Design and Setup

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8 min read
Your Go Fake Repository Drifts From Postgres. Run One Contract Suite Against Both

Your Go Fake Repository Drifts From Postgres. Run One Contract Suite Against Both

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12 min read
Postgres LISTEN/NOTIFY vs Redis Pub/Sub: Latency, Write Cost and Failure Cases, Tested

Postgres LISTEN/NOTIFY vs Redis Pub/Sub: Latency, Write Cost and Failure Cases, Tested

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9 min read
Build an Incremental ETL Pipeline in Python Using PostgreSQL Watermarks

Build an Incremental ETL Pipeline in Python Using PostgreSQL Watermarks

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7 min read
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