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

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The Fastest Way to Add Reporting to Your Internal Tool

The Fastest Way to Add Reporting to Your Internal Tool

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6 min read
SQL Design & Query Reference

SQL Design & Query Reference

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35 min read
The Afternoon We Put Magento's Schema on SQL Server

The Afternoon We Put Magento's Schema on SQL Server

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40 min read
Top N per group is the query `LIMIT` can't write

Top N per group is the query `LIMIT` can't write

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3 min read
Український лематизатор тепер вбудовано в Manticore Search

Український лематизатор тепер вбудовано в Manticore Search

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1 min read
Building an Analytics Layer on Top of Your Existing Database

Building an Analytics Layer on Top of Your Existing Database

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5 min read
Stop Pasting Your Database Schema Into Every AI Prompt

Stop Pasting Your Database Schema Into Every AI Prompt

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5 min read
Why I Built a Free SSMS Extension to Stop Destructive Queries

Why I Built a Free SSMS Extension to Stop Destructive Queries

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3 min read
DuckDB 1.5.2, PostgreSQL Internal Stats, and SQLite Virtual Table xUpdate Deep Dive

DuckDB 1.5.2, PostgreSQL Internal Stats, and SQLite Virtual Table xUpdate Deep Dive

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3 min read
PostgreSQL Said No to Query Hints for 20 Years. Postgres 19 Ships Them.

PostgreSQL Said No to Query Hints for 20 Years. Postgres 19 Ships Them.

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7 min read
ERD-First Database Design: One 60-Entity Schema, Sketch to Production

ERD-First Database Design: One 60-Entity Schema, Sketch to Production

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7 min read
Session 4 summary

Session 4 summary

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2 min read
Product Analytics with SQL: Tracking What Actually Matters

Product Analytics with SQL: Tracking What Actually Matters

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6 min read
Natural-language SQL needs metric contract tests, not just valid SQL

Natural-language SQL needs metric contract tests, not just valid SQL

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2 min read
From 8s to 1s: Truly Understanding Rails N+1 by Opening Up ActiveRecord

From 8s to 1s: Truly Understanding Rails N+1 by Opening Up ActiveRecord

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10 min read
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