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Posts on building, using, and learning about databases.

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Rigid Databases Are Holding Back AI Applications — Here's Why

Rigid Databases Are Holding Back AI Applications — Here's Why

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7 min read
The Restart Challenge: Day 04

The Restart Challenge: Day 04

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1 min read
3 Database Indexes Turned a 30-Second Query Into 0.4 Seconds

3 Database Indexes Turned a 30-Second Query Into 0.4 Seconds

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3 min read
ETL vs ELT: Understanding the Two Pillars of Modern Data Engineering

ETL vs ELT: Understanding the Two Pillars of Modern Data Engineering

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16 min read
Database Subsetting for PostgreSQL: A Practical Guide (2026)
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Database Subsetting for PostgreSQL: A Practical Guide (2026)

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11 min read
Local Analysis of Garmin Activities and Fitness Data without Cloud

Local Analysis of Garmin Activities and Fitness Data without Cloud

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4 min read
How We Built a Disaggregated Storage Layer for a Columnar MPP Database (And What Broke in Production)
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How We Built a Disaggregated Storage Layer for a Columnar MPP Database (And What Broke in Production)

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6 min read
TradeMemory An AI-Powered Persistence Layer for Disciplined Trading

TradeMemory An AI-Powered Persistence Layer for Disciplined Trading

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4 min read
Seed Data Without a Dependency Tree: A Tiny PHP CLI Instead of Faker

Seed Data Without a Dependency Tree: A Tiny PHP CLI Instead of Faker

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10 min read
PostgreSQL Slow Query Log: Finding & Fixing Your Slowest Queries
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PostgreSQL Slow Query Log: Finding & Fixing Your Slowest Queries

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4 min read
Apache IoTDB in Connected Vehicle Management: Scaling Telemetry for Millions

Apache IoTDB in Connected Vehicle Management: Scaling Telemetry for Millions

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3 min read
Filtering, sorting, and pagination with the fluent query builder

Filtering, sorting, and pagination with the fluent query builder

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3 min read
Apache Data Lakehouse Weekly: April 9–15, 2026
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Apache Data Lakehouse Weekly: April 9–15, 2026

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7 min read
Using RPAD in GBase 8s: Syntax, Examples, and a Stored Procedure Hack

Using RPAD in GBase 8s: Syntax, Examples, and a Stored Procedure Hack

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2 min read
SQL vs NoSQL: Which one to choose for your next project?
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SQL vs NoSQL: Which one to choose for your next project?

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3 min read
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