CMU 15-445 Database Systems course
Shares rank 15 of 17 online courses by recommenders
Free Carnegie Mellon database course by Andy Pavlo that people credit with preparing them for interviews and enjoy watching.
Free Carnegie Mellon database course by Andy Pavlo that people credit with preparing them for interviews and enjoy watching.
5 people gave an opinion
- recommend it
- 5
- criticize it
- 0
- approval share
- 100%
Recommended in 2 of 13 months
- November 2025: not recommended
- December 2025: recommended
- January 2026: not recommended
- February 2026: not recommended
- March 2026: not recommended
- April 2026: not recommended
- May 2026: not recommended
- June 2026: not recommended
- July 2026: not recommended
- August 2026: recommended
- September 2026: not recommended
- October 2026: not recommended
- 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 2 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
Lectures praised as excellent
“Always enjoyed his lecture series from CMU”
Comment from 3 Aug 2026 in “Andy Pavlo Joins ClickHouse to Establish ClickHouse Labs” “Your DB course is phenomenal.”
Comment from 3 Aug 2026 in “Andy Pavlo Joins ClickHouse to Establish ClickHouse Labs” Widely known database course
“CMU's database courses are a famous example”
Comment from 7 Dec 2025 in “OMSCS Open Courseware” “Thanks, yes, those are ones I know about”
Comment from 7 Dec 2025 in “OMSCS Open Courseware”
Other online courses people recommend
The four most recommended other online courses, 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.
| Product | Recommend | Criticize | Approval | Months | Owned | Badge |
|---|---|---|---|---|---|---|
| Math Academy | 35 | 1 | 97% | 12 | 9 mo6 owners | Approved |
| Nand2Tetris | 31 | 3 | 91% | 10 | — | Approved |
| Neural Networks: Zero to Hero by Andrej Karpathy | 29 | 2 | 94% | 9 | — | Approved |
| CS193p SwiftUI course by Paul Hegarty | 13 | 1 | 93% | 2 | 11.9 yrs5 owners | — |
| CMU 15-445 Database Systems courseThis page | 5 | 0 | 100% | 2 | — | — |
What people said
All 5 comments that mention it, newest first. Each links to the original comment.
“Your DB course is phenomenal.”
“Your course helped me stand my own during the interview and even though I had zero database experience apart from finishing the course, I felt adequately prepared.”
“Always enjoyed his lecture series from CMU”
“Thanks, yes, those are ones I know about”
“CMU's database courses are a famous example”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.