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

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CAS-Protected Status Transitions in Client Management

CAS-Protected Status Transitions in Client Management

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2 min read
Simulating a football match one minute at a time

Simulating a football match one minute at a time

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4 min read
We built a hackathon judging platform because we were tired of spreadsheets

We built a hackathon judging platform because we were tired of spreadsheets

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2 min read
Mengapa PostgreSQL Menjadi Pilihan Utama di Tahun 2026?

Mengapa PostgreSQL Menjadi Pilihan Utama di Tahun 2026?

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2 min read
8h40 com todos os dados e nenhum aviso

8h40 com todos os dados e nenhum aviso

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2 min read
SQL Server / MySQL / PostgreSQL — the index differences

SQL Server / MySQL / PostgreSQL — the index differences

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2 min read
CRUD Was the Easy Part: What I Learned Building a Self-Hosted Judging System

CRUD Was the Easy Part: What I Learned Building a Self-Hosted Judging System

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6 min read
Your RLS policy returns zero rows. The view next to it returns two.

Your RLS policy returns zero rows. The view next to it returns two.

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6 min read
Supabase stops auto-granting new tables on Oct 30. Don't fix the 42501 with GRANT ALL

Supabase stops auto-granting new tables on Oct 30. Don't fix the 42501 with GRANT ALL

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7 min read
PostgreSQL Row-Level Security: Multi-Tenancy Without Leaking Tenant Data

PostgreSQL Row-Level Security: Multi-Tenancy Without Leaking Tenant Data

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2 min read
I wrote a justification in my docs, then tested it. It was mostly wrong.

I wrote a justification in my docs, then tested it. It was mostly wrong.

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7 min read
I Built the Platform That Will Judge Me: Z-Scores, Judge Islands, and a Dataset Where Nobody Agrees

I Built the Platform That Will Judge Me: Z-Scores, Judge Islands, and a Dataset Where Nobody Agrees

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6 min read
A Small State Machine for Leave Approval Policy

A Small State Machine for Leave Approval Policy

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7 min read
The scoring bugs we almost shipped in a hackathon judging platform

The scoring bugs we almost shipped in a hackathon judging platform

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7 min read
Database Isolation: Why Two Committed Transfers Can Create Money

Database Isolation: Why Two Committed Transfers Can Create Money

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8 min read
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