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

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Masked Extracts or Local Draft Models: A Debate for Agent SQL Placement

Masked Extracts or Local Draft Models: A Debate for Agent SQL Placement

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7 min read
The N+1 Query Problem in Node.js & PostgreSQL: How to Detect and Eliminate It

The N+1 Query Problem in Node.js & PostgreSQL: How to Detect and Eliminate It

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11 min read
Calculating WAL Generation for DML Operations in PostgreSQL

Calculating WAL Generation for DML Operations in PostgreSQL

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3 min read
Scale-to-Zero vs Provisioned Managed Postgres: Which Pricing Model Fits Your Traffic?

Scale-to-Zero vs Provisioned Managed Postgres: Which Pricing Model Fits Your Traffic?

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6 min read
Building an Offline-First Flutter POS with NestJS and PostgreSQL

Building an Offline-First Flutter POS with NestJS and PostgreSQL

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14 min read
The flaky test that was a tenant-isolation bug

The flaky test that was a tenant-isolation bug

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3 min read
Introducing sqlsift: schema-aware static analysis for SQL, no database needed

Introducing sqlsift: schema-aware static analysis for SQL, no database needed

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3 min read
Syncing level data from seven games into a static Next.js site

Syncing level data from seven games into a static Next.js site

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6 min read
Our build command migrates the database before it compiles a single page, and five of the fourteen migrations look empty

Our build command migrates the database before it compiles a single page, and five of the fourteen migrations look empty

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5 min read
Five lifecycle campaigns, one two-hour window, and the subqueries that became EXISTS

Five lifecycle campaigns, one two-hour window, and the subqueries that became EXISTS

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5 min read
The Dual-Write Problem: Building a Scalable Transactional Outbox for Google Pub/Sub

The Dual-Write Problem: Building a Scalable Transactional Outbox for Google Pub/Sub

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3 min read
B2B AI Workflow Automation in Production: RAG Architecture, Guardrails, and Token Cost Engineering for Enterprise Operations

B2B AI Workflow Automation in Production: RAG Architecture, Guardrails, and Token Cost Engineering for Enterprise Operations

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7 min read
PostgreSQL Constraint Triggers for AI Feature Usage Quotas: Enforcing Hard Limits at the Database Layer

PostgreSQL Constraint Triggers for AI Feature Usage Quotas: Enforcing Hard Limits at the Database Layer

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4 min read
The field was a string, then an object, and the missing half was backfilled by a model that may answer "none"

The field was a string, then an object, and the missing half was backfilled by a model that may answer "none"

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5 min read
The same website 5 metres apart is one pub, and the same name 430 metres apart needs a street number

The same website 5 metres apart is one pub, and the same name 430 metres apart needs a street number

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6 min read
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