SQL Best Practices Reference Guide

If you write SQL for data analysis, dashboards, or reports, you know how quickly messy queries can slow you down.

Poor formatting, unclear naming, and inconsistent logic make reviews painful and maintenance even worse.

This SQL Best Practices Reference Guide gives you clear, practical standards so you can write SQL that’s clean, consistent, and easy to maintain.

It’s built for data analysts, engineers, and BI teams who want to save time, reduce errors, and make their queries readable by anyone.

What’s included:

✅ SQL Best Practices Reference Guide (Digital PDF)

• Covers naming conventions, formatting rules, CASE, JOINs, filtering, and NULL handling.
• Real-world examples, with no over-complicated theory.
• Organized for quick reference so you can find what you need fast.

Sample of digital version

✅ Printer-Friendly Version (PDF)

• Same content as digital version in a clean, print-ready format.
• Keep it at your desk, share with your team, or use in code review sessions.

Sample of print-friendly version

Use this guide to:

• Improve the quality of your own queries.
• Standardize SQL across your team.
• Spend less time explaining and rewriting, and more time analyzing.

I hope it helps make your SQL queries more readable! :)

— Sarah

⚠️ Please note: This is a digital product with instant access upon purchase.

All sales are final and non-refundable.