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

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PostgreSQL EXPLAIN ANALYZE: What I Actually Look At in Query Plans

PostgreSQL EXPLAIN ANALYZE: What I Actually Look At in Query Plans

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6 min read
PostgreSQL Idempotency Keys for Email APIs

PostgreSQL Idempotency Keys for Email APIs

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5 min read
PostgreSQL 19's REPACK CONCURRENTLY swaps a five-second table lock for one under a second

PostgreSQL 19's REPACK CONCURRENTLY swaps a five-second table lock for one under a second

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6 min read
The free plan searches exactly like the paid one and hides the results, and the blurred rows are fake on purpose

The free plan searches exactly like the paid one and hides the results, and the blurred rows are fake on purpose

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6 min read
Our daily API cap is three times last week's busiest day, because a fixed cap is a growth ceiling

Our daily API cap is three times last week's busiest day, because a fixed cap is a growth ceiling

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6 min read
Skipped is not failed, and that one distinction is what made our nightly job alertable

Skipped is not failed, and that one distinction is what made our nightly job alertable

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5 min read
Microservices Event Pipelines: Outbox Pattern, CDC, and Idempotent Event Sourcing

Microservices Event Pipelines: Outbox Pattern, CDC, and Idempotent Event Sourcing

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4 min read
A paused campaign still answers its email, because the pause has a reason column

A paused campaign still answers its email, because the pause has a reason column

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6 min read
I took down my own search 🔥

I took down my own search 🔥

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6 min read
Heroku vs Render vs Railway vs Hubfly: 4 prices for one app + Postgres ($7–$20/month)

Heroku vs Render vs Railway vs Hubfly: 4 prices for one app + Postgres ($7–$20/month)

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8 min read
Sepio.dev: I've built a Figma style database designing tool

Sepio.dev: I've built a Figma style database designing tool

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1 min read
Seventeen subqueries in one statement, because our connection pool has five slots

Seventeen subqueries in one statement, because our connection pool has five slots

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6 min read
REST API Fixtures Need a Cleanup Contract

REST API Fixtures Need a Cleanup Contract

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4 min read
Postgres Multi-Tenancy: Row-Level Security, tenant_id Filters, or a Schema per Tenant?

Postgres Multi-Tenancy: Row-Level Security, tenant_id Filters, or a Schema per Tenant?

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7 min read
How Databases Survive Being Unplugged: Write-Ahead Logs Explained

How Databases Survive Being Unplugged: Write-Ahead Logs Explained

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6 min read
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