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Esther Anagu

Esther Anagu

Data Scientist and Analyst | Content Creator | Over 125k followers on LinkedIn. I'm dedicated to empowering the data community by sharing invaluable resources.

15 SQL Cheat Sheets Every Data Analyst Should Save

2 min readMay 30, 2026
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If you’re learning SQL, one thing you’ll realize quickly is this:

You don’t need to memorize everything.
You need the right references.

Here are 15 SQL cheat sheets you should save:

1️⃣ SQL Cheat Sheet (SQLTutorial)
https://lnkd.in/e7EzfAiJ

2️⃣ SQL Basics Cheat Sheet (DataCamp)
https://lnkd.in/eft9T_si

3️⃣ SQL Basics Cheat Sheet (LearnSQL)
https://lnkd.in/dD65D-5R

4️⃣ SQL JOIN Cheat Sheet
https://lnkd.in/eXpCxC4Q

5️⃣ SQL Window Functions Cheat Sheet
https://lnkd.in/euZ4unBh

6️⃣ W3Schools SQL Reference
https://lnkd.in/eEx6pVsT

7️⃣ SQLite Cheat Sheet
https://lnkd.in/erYNHjZ3

8️⃣ SQL Cheat Sheet
https://lnkd.in/e7EzfAiJ

9️⃣ SQL Commands Reference (W3Schools)
https://lnkd.in/eEx6pVsT

🔟 SQL Constraints Guide
https://lnkd.in/eECubEQc

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1️⃣1️⃣ SQL Aggregate Functions
https://lnkd.in/eyha33Xb

1️⃣2️⃣ SQL GROUP BY Guide
https://lnkd.in/e2d5msy6

1️⃣3️⃣ SQL HAVING Clause Guide
https://lnkd.in/enxw5tYq

1️⃣4️⃣ SQLBolt Quick Reference
https://sqlbolt.com/

1️⃣5️⃣ Mode SQL Tutorial (Reference)
https://lnkd.in/ekzFM5Av

______________________

Don’t just save these.
Pick one and practice writing queries daily.

If you’re learning SQL, save this post.

Which of these will you start using?
Or if you have a favorite SQL resource,

♻ Repost if this helped you. Someone on your timeline needs it too.

______________

I wrote a book for anyone transitioning into data.
Get a copy here: https://lnkd.in/eyfuxYRQ

Other guides and templates here: https://lnkd.in/ersxGiAz

____________

If you’re feeling stuck, overwhelmed, or unsure about your next steps in the data space, let’s talk here: https://lnkd.in/enDQc2Ua
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Data Scientist and Analyst | Content Creator | Over 127k followers on LinkedIn. I'm dedicated to empowering the data community by sharing invaluable resources.

See more from me