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

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How I cut Django indexing from 23 minutes to 11 minutes with one SQL change

How I cut Django indexing from 23 minutes to 11 minutes with one SQL change

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1 min read
Inner vs Outer Joins: The Two Fundamental Join Types in SQL

Inner vs Outer Joins: The Two Fundamental Join Types in SQL

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1 min read
SQL for Developers: The Practical Guide (2026)

SQL for Developers: The Practical Guide (2026)

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6 min read
PostgreSQL Plan Signatures: Quick Reference

PostgreSQL Plan Signatures: Quick Reference

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7 min read
Delete record using JooqTemplate

Delete record using JooqTemplate

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1 min read
SQL Formatting Best Practices: A Practical Guide for Engineers

SQL Formatting Best Practices: A Practical Guide for Engineers

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4 min read
REDB inside, part 1.1 — why the same 13 tables stay fast no matter how many classes you throw at them

REDB inside, part 1.1 — why the same 13 tables stay fast no matter how many classes you throw at them

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20 min read
Automating SQL Server Database Administration with T-SQL Utility Scripts

Automating SQL Server Database Administration with T-SQL Utility Scripts

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4 min read
Maybe SQLite Is Still Better Than DuckDB for My Workloads

Maybe SQLite Is Still Better Than DuckDB for My Workloads

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8 min read
The Hard Truth About Choosing a Database and Why Most Projects Get It Wrong

The Hard Truth About Choosing a Database and Why Most Projects Get It Wrong

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4 min read
In some scenarios, relying on LLMs to generate SQL is neither rigorous nor reliable.Right way to teach LLMs to generate SQL is here

In some scenarios, relying on LLMs to generate SQL is neither rigorous nor reliable.Right way to teach LLMs to generate SQL is here

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4 min read
Understanding SQL Joins and SQL Functions, CTEs and Subqueries.

Understanding SQL Joins and SQL Functions, CTEs and Subqueries.

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4 min read
SQLite CLI Prompts, PostgreSQL Load Balancing with pgkeeper, PgBouncer Tuning

SQLite CLI Prompts, PostgreSQL Load Balancing with pgkeeper, PgBouncer Tuning

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3 min read
I Shipped 12 BI Dashboards With 5 Different Tools. Here Is the Honest Comparison.

I Shipped 12 BI Dashboards With 5 Different Tools. Here Is the Honest Comparison.

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9 min read
How to Migrate MySQL to PostgreSQL Without Breaking Everything (With Real Examples)

How to Migrate MySQL to PostgreSQL Without Breaking Everything (With Real Examples)

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5 min read
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