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Database Design for Mere Mortals

Database Design for Mere Mortals by Michael J. Hernandez

by Michael J. Hernandez

Shares rank 38 of 115 programming books by recommenders

People recommend it as a clear, practical introduction to relational database design and SQL, and say it is worth a semester of computer science classes on the topic.

People recommend it as a clear, practical introduction to relational database design and SQL, and say it is worth a semester of computer science classes on the topic.

5 people gave an opinion

recommend it
5
criticize it
0
approval share
100%
Each figure is one person. RecommendsCriticizes

Recommended in 3 of 13 months

  1. November 2025: not recommended
  2. December 2025: not recommended
  3. January 2026: not recommended
  4. February 2026: not recommended
  5. March 2026: not recommended
  6. April 2026: not recommended
  7. May 2026: not recommended
  8. June 2026: recommended
  9. July 2026: recommended
  10. August 2026: not recommended
  11. September 2026: recommended
  12. October 2026: not recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 5 people recommend itNeeds 10 or more, not met.
  • Nobody criticizes itNeeds 2 to 1 or better, met.
  • Recommended in 3 of 13 monthsNeeds 4 or more, not met.

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

What people say about it

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

Why people recommend it

Each mark is one comment

  • Clear practical introduction to database design

    “worth an entire semester of computer science classes on the topic”

    Comment from 20 Sep 2026 in “Ask HN: What is the most career altering course or book you have gone through?”

    “I learned SQL & Relational DB design with the book”

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

Other programming books people recommend

The four most recommended other programming books, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

Database Design for Mere Mortals by Michael J. Hernandez compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Crafting Interpretersby Robert Nystrom60494%10—Approved
Clean Codeby Robert C. Martin318726%9——
The Pragmatic Programmerby Hunt and Thomas28197%7—Approved
How to Design Programsby Felleisen, Findler, Flatt and Krishnamurthi18290%7—Approved
Database Design for Mere Mortalsby Michael J. HernandezThis page50100%3——
See all 115 programming books, ranked

What people said

All 5 comments that mention it, newest first. Each links to the original comment.

“worth an entire semester of computer science classes on the topic”

RecommendsComment from 20 Sep 2026 in “Ask HN: What is the most career altering course or book you have gone through?”

“Can’t say enough good things about Database Design for Mere Mortals.”

RecommendsComment from 22 Jul 2026 in “The startup's Postgres survival guide”

“over the years I have bought more that a few copies and I always end up giving them away to those in need”

RecommendsComment from 22 Jul 2026 in “The startup's Postgres survival guide”

“I had the pleasure to read "Database Design for Mere Mortals" there, in the hours when work was slow.”

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

“I learned SQL & Relational DB design with the book”

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

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