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Database

Posts on building, using, and learning about databases.

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Why Polars is Faster Than Pandas (10Million Row Study)
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Why Polars is Faster Than Pandas (10Million Row Study)

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6 min read
What Game Engines Know About Data That Databases Forgot

What Game Engines Know About Data That Databases Forgot

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9 min read
How I Structured My Automation Database From Scratch

How I Structured My Automation Database From Scratch

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2 min read
Why PostgreSQL Kept Saying “No space left on device” with 20TB Still Free

Why PostgreSQL Kept Saying “No space left on device” with 20TB Still Free

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6 min read
How to Turn MongoDB Data into Charts and Dashboards
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How to Turn MongoDB Data into Charts and Dashboards

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6 min read
Database Isolation Levels Explained

Database Isolation Levels Explained

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9 min read
How to Store Code Intelligence Graphs Efficiently

How to Store Code Intelligence Graphs Efficiently

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3 min read
How to Stop Nuking Your Postgres Data When Testing Schema Changes
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How to Stop Nuking Your Postgres Data When Testing Schema Changes

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5 min read
B-Trees, Clustered Indexes, and the OLAP Revolution (Part 2) 📊

B-Trees, Clustered Indexes, and the OLAP Revolution (Part 2) 📊

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3 min read
How Databases Actually Work: From Log Files to LSM Trees (Part 1) 🚀

How Databases Actually Work: From Log Files to LSM Trees (Part 1) 🚀

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3 min read
PostgreSQL Performance Halved on Linux Kernel 6.8: The THP Bug Every DBA Needs to Know [2026 Guide]

PostgreSQL Performance Halved on Linux Kernel 6.8: The THP Bug Every DBA Needs to Know [2026 Guide]

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6 min read
Osztályközök képzése SQL-ben (GROUP BY trükk)
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Osztályközök képzése SQL-ben (GROUP BY trükk)

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2 min read
How a Database Really Works Underneath
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How a Database Really Works Underneath

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6 min read
MyDBA.dev vs Datadog Database Monitoring: PostgreSQL-Native vs Full-Stack Observability
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MyDBA.dev vs Datadog Database Monitoring: PostgreSQL-Native vs Full-Stack Observability

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4 min read
Why NodeDB Might Be a Better Multi-Model Database
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Why NodeDB Might Be a Better Multi-Model Database

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5 min read
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