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Lemmalog: Agent Memory as a Deductive Database, Not Another Vector Store

Lemmalog: Agent Memory as a Deductive Database, Not Another Vector Store

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2 min read
Online enabling checksums in PG ̶1̶9̶ 20 (was 19 beta but reverted)

Online enabling checksums in PG ̶1̶9̶ 20 (was 19 beta but reverted)

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4 min read
The Postgres job-claim query that silently claims the same job twice

The Postgres job-claim query that silently claims the same job twice

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9 min read
[quick-revisit]: MongoDB Indexes & B-Trees

[quick-revisit]: MongoDB Indexes & B-Trees

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3 min read
The Science of Machine Learning vs. the Push for AI Deployment

The Science of Machine Learning vs. the Push for AI Deployment

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7 min read
Common SQL Injection Vulnerabilities in Student Projects and How to Prevent Them

Common SQL Injection Vulnerabilities in Student Projects and How to Prevent Them

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6 min read
How a Retry Loop

How a Retry Loop

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6 min read
Meta's "Combined Reaction Volume" SQL Question, Explained Simply

Meta's "Combined Reaction Volume" SQL Question, Explained Simply

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3 min read
How We Built an In-Database AI Agent in Pure T-SQL (And Fixed Its Hidden Architectural Blindspots)

How We Built an In-Database AI Agent in Pure T-SQL (And Fixed Its Hidden Architectural Blindspots)

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5 min read
DB Explorer: A Lightweight Database Viewer I Built for Everyday Development Work

DB Explorer: A Lightweight Database Viewer I Built for Everyday Development Work

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2 min read
Understanding SQL: A Practical Guide to Categories, Data Types, Joins, and Core Concepts

Understanding SQL: A Practical Guide to Categories, Data Types, Joins, and Core Concepts

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4 min read
How to Query Complex JSON and NDJSON Files with SQL (Without Writing Custom Parsers)

How to Query Complex JSON and NDJSON Files with SQL (Without Writing Custom Parsers)

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3 min read
Nineteen migrations, seventeen RLS statements, and not one policy in the whole history

Nineteen migrations, seventeen RLS statements, and not one policy in the whole history

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4 min read
Day 13 - Data Replication - Single-Leader, Multi-Leader, Leaderless

Day 13 - Data Replication - Single-Leader, Multi-Leader, Leaderless

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2 min read
A CSV Can Be Valid and Still Corrupt Your Import

A CSV Can Be Valid and Still Corrupt Your Import

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2 min read
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