Use The Index, Luke

Use The Index, Luke by Markus Winand

by Markus Winand

Shares rank 14 of 24 online tutorials by recommenders

People recommend this free website as a long-running, highly regarded resource for learning SQL, saying it has taught them a lot.

6 people gave an opinion

Each figure is one person. RecommendsCriticizes

The same three rules apply to every product, and the badge can’t be bought. How the badge works

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Each mark is one comment

Highly recommended SQL resource
“A great resource is https://use-the-index-luke.com/”
Comment from 22 Dec 2025 in “The Rise of SQL:the second programming language everyone needs to know”
“I can HIGHLY recommend the SQL website”
Comment from 6 Jun 2026 in “Learn SQL Once, Use It for 30 Years”
Recommended repeatedly over time
“this has been my got to site for years”
Comment from 25 Jan 2026 in “Introduction to PostgreSQL Indexes”
“Related, Use the Index Luke”
Comment from 25 Jan 2026 in “Introduction to PostgreSQL Indexes”
Teaches a lot, helps level up
“A couple of sites worth checking out to level up”
Comment from 4 Jun 2026 in “Learn SQL Once, Use It for 30 Years”
“it has been teaching me a lot”
Comment from 4 Jun 2026 in “Learn SQL Once, Use It for 30 Years”

All 6 comments that mention it, newest first. Each links to the original comment.

“I can HIGHLY recommend the SQL website”

RecommendsComment from 6 Jun 2026 in “Learn SQL Once, Use It for 30 Years”

“it has been teaching me a lot”

RecommendsComment from 4 Jun 2026 in “Learn SQL Once, Use It for 30 Years”

“A couple of sites worth checking out to level up”

RecommendsComment from 4 Jun 2026 in “Learn SQL Once, Use It for 30 Years”

“Related, Use the Index Luke”

RecommendsComment from 25 Jan 2026 in “Introduction to PostgreSQL Indexes”

“this has been my got to site for years”

RecommendsComment from 25 Jan 2026 in “Introduction to PostgreSQL Indexes”

“A great resource is https://use-the-index-luke.com/”

RecommendsComment from 22 Dec 2025 in “The Rise of SQL:the second programming language everyone needs to know”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.

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