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

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You Forgot to Mention the 500 Million Rows

You Forgot to Mention the 500 Million Rows

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4 min read
Why CTE vs Subquery Matters More on Redshift Than Anywhere Else

Why CTE vs Subquery Matters More on Redshift Than Anywhere Else

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2 min read
SQL 里时间戳的 4 个真坑 + 用 tsforge-mcp 在 LLM 里直接算

SQL 里时间戳的 4 个真坑 + 用 tsforge-mcp 在 LLM 里直接算

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1 min read
Navigating views in oracle database

Navigating views in oracle database

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2 min read
What Happens If a Bank Transfer Fails Halfway? Understanding ACID Properties in SQL

What Happens If a Bank Transfer Fails Halfway? Understanding ACID Properties in SQL

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6 min read
SQL Patterns Hidden Inside Social Networks

SQL Patterns Hidden Inside Social Networks

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4 min read
SSMS Database Diagrams: Your ERD Is Trapped Inside the Database It Documents

SSMS Database Diagrams: Your ERD Is Trapped Inside the Database It Documents

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6 min read
Fixing Enterprise HR Hierarchy Lookups Without Cache Invalidation Nightmares

Fixing Enterprise HR Hierarchy Lookups Without Cache Invalidation Nightmares

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1 min read
Database Views in Your ERD: Read-Only Entities, Not Fake Tables

Database Views in Your ERD: Read-Only Entities, Not Fake Tables

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5 min read
How Do SQL Database Engines Work?

How Do SQL Database Engines Work?

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6 min read
From SQL to Power BI: Building Your First Connected Dashboard

From SQL to Power BI: Building Your First Connected Dashboard

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5 min read
Supabase Schema Diagram: Get an ERD You Can Keep, Not a Dashboard View

Supabase Schema Diagram: Get an ERD You Can Keep, Not a Dashboard View

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6 min read
Manticore Search 28.6.6: UUID document IDs, ordered GROUP_CONCAT(), and 16 fixes

Manticore Search 28.6.6: UUID document IDs, ordered GROUP_CONCAT(), and 16 fixes

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3 min read
Choose the Reporting Grain Before You Choose the Chart

Choose the Reporting Grain Before You Choose the Chart

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3 min read
Why GitHub Cannot Paginate Through Millions of Repositories - Deep Pagination Explained

Why GitHub Cannot Paginate Through Millions of Repositories - Deep Pagination Explained

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5 min read
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