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

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Correlation IDs for Reliable Email Verification APIs

Correlation IDs for Reliable Email Verification APIs

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5 min read
How an Eventually Consistent DynamoDB GSI Let Mobile Retries Create 1,400 Duplicate Orders

How an Eventually Consistent DynamoDB GSI Let Mobile Retries Create 1,400 Duplicate Orders

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5 min read
Our migrations passed in CI as a superuser and failed in the first new database we built

Our migrations passed in CI as a superuser and failed in the first new database we built

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2 min read
The Compose Race Your Coding Agent Inherits From You

The Compose Race Your Coding Agent Inherits From You

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12 min read
Supabase vs Firebase for Startups: An Honest Comparison

Supabase vs Firebase for Startups: An Honest Comparison

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7 min read
Fourteen jsonb columns, twenty $type casts, and the ORM method whose entire body is "return this"

Fourteen jsonb columns, twenty $type casts, and the ORM method whose entire body is "return this"

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5 min read
Seventeen error classes, five of which inherit the right to be shown to a user, and one instanceof ladder two lines long

Seventeen error classes, five of which inherit the right to be shown to a user, and one instanceof ladder two lines long

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6 min read
Your payment webhook is wrong, and you'll find out when a paying user loses their plan

Your payment webhook is wrong, and you'll find out when a paying user loses their plan

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4 min read
A daily reminder email, an hourly cron, and a query window wide enough to hold today in every time zone

A daily reminder email, an hourly cron, and a query window wide enough to hold today in every time zone

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5 min read
Moving a production API to Hetzner, part 3: migrating data and cutting over

Moving a production API to Hetzner, part 3: migrating data and cutting over

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15 min read
Run SQL in the Browser: Queries, Joins and Quick Fixes on a Live Database

Run SQL in the Browser: Queries, Joins and Quick Fixes on a Live Database

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4 min read
Graph RAG on the database you already run: meet Drivine

Graph RAG on the database you already run: meet Drivine

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3 min read
Row Level Security explained with one tiny example

Row Level Security explained with one tiny example

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6 min read
How we built hybrid search in Postgres: pgvector, full text, and reciprocal rank fusion

How we built hybrid search in Postgres: pgvector, full text, and reciprocal rank fusion

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5 min read
Foreign Key Cascade Deletes: Un-Indexed FKs, Slow Cascades, and Lock Contention in PostgreSQL

Foreign Key Cascade Deletes: Un-Indexed FKs, Slow Cascades, and Lock Contention in PostgreSQL

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6 min read
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