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

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Migrating 200 Million Records in .NET without crashing production: From Row-by-Row to a Crash-Safe Batched Pipeline

Migrating 200 Million Records in .NET without crashing production: From Row-by-Row to a Crash-Safe Batched Pipeline

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7 min read
SQL window functions: what separates a mid-level from a senior developer

SQL window functions: what separates a mid-level from a senior developer

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5 min read
Deploying MySQL on RDS and Joining Tables Like It's Production

Deploying MySQL on RDS and Joining Tables Like It's Production

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3 min read
Prompting AI for Complex Multi-Table SQL: A Practical Guide

Prompting AI for Complex Multi-Table SQL: A Practical Guide

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5 min read
Star Schema vs Snowflake Schema: Which to Use and When

Star Schema vs Snowflake Schema: Which to Use and When

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4 min read
Fine-Tuning Local Database Engines: How to Optimize my.ini for High-Performance MySQL Stacks

Fine-Tuning Local Database Engines: How to Optimize my.ini for High-Performance MySQL Stacks

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2 min read
READ COMMITTED isn't as safe as you think

READ COMMITTED isn't as safe as you think

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6 min read
A 1000x Speedup From One Index — and Why It Sometimes Does Nothing

A 1000x Speedup From One Index — and Why It Sometimes Does Nothing

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7 min read
When AI-Generated SQL Becomes Untrustworthy: How to Restore Confidence in Our Data

When AI-Generated SQL Becomes Untrustworthy: How to Restore Confidence in Our Data

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8 min read
Day 1 of My Microsoft Fabric Learning Journey – Exploring Lakehouses

Day 1 of My Microsoft Fabric Learning Journey – Exploring Lakehouses

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1 min read
Tối ưu hóa cơ sở dữ liệu SQL trên máy chủ mã nguồn mở: Nghệ thuật của sự tinh giản

Tối ưu hóa cơ sở dữ liệu SQL trên máy chủ mã nguồn mở: Nghệ thuật của sự tinh giản

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8 min read
Building My First Real Database: What a Weekend SQL Assignment Taught Me About Postgres (and Git)

Building My First Real Database: What a Weekend SQL Assignment Taught Me About Postgres (and Git)

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3 min read
Optimizing an 18 TB Azure SQL Hyperscale Database — Part 1: Context & Principles

Optimizing an 18 TB Azure SQL Hyperscale Database — Part 1: Context & Principles

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5 min read
How to Convert Plain Text into JavaScript Arrays, Python Lists, JSON, and SQL IN Clauses

How to Convert Plain Text into JavaScript Arrays, Python Lists, JSON, and SQL IN Clauses

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8 min read
WHERE $1::timestamptz IS NULL OR "timestamp" > $1

WHERE $1::timestamptz IS NULL OR "timestamp" > $1

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7 min read
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