Channel · @cmudatabasegroup

CMU Database Group

@cmudatabasegroup · 92.1K subscribers · 596 videos

A course from this channel is on Best free SQL courses on YouTube, ranked by total hours

Total watch time

28d 5h 50m

at 1× speed · exactly 28 days, 5 hours, 50 minutes, 10 seconds at 1×

Open on YouTube All uploads as a playlist JSON

Next time, skip the copying: change youtube.com to playlistduration.com in any playlist, video or channel address and it opens here.

Uploads by year

11 years
YearVideosWatch timeAverage
20262719h 55m44m 15s
2025743d 9h 5m1h 5m 44s
2024582d 23h 53m1h 14m 22s
2023613d 58m1h 11m 47s
2022522d 13h 46m1h 11m 16s
2021672d 21h 45m1h 2m 27s
2020542d 13h 45m1h 8m 36s
2019532d 16h 33m1h 13m 4s
2018582d 20h 3m1h 10m 24s
2017562d 18h 26m1h 11m 11s
2016361d 15h 43m1h 6m 11s

Playlists (36)

Every public playlist on the channel — open one for its full breakdown

Lengths are calculated on demand so this page stays fast.

#PlaylistVideosLength
1 Whatever Andy Found Interesting While Out At Sea (Fall 2026) 3 length →
2 PostgreSQL vs. The World Seminar Series (Spring 2026) 12 length →
3 CMU Intro to Database Systems Flash Talks (Spring 2026) 9 length →
4 Future Data Systems Seminar Series (Fall 2025) 12 length →
5 CMU Intro to Database Systems (15-445/645 - Fall 2025) 25 length →
6 CMU Database Seminar 7 length →
7 CMU Intro to Database Systems Flash Talks (Spring 2025) 8 length →
8 SQL or Death? Seminar Series (Spring 2025) 10 length →
9 CMU Special Topics in Database: Query Optimization (15-799 - Spring 2025) 14 length →
10 Database Building Blocks Seminar Series (Fall 2024) 10 length →
11 CMU Intro to Database Systems (15-445/645 - Fall 2024) 26 length →
12 CMU Advanced Database Systems (15-721 / Spring 2024) 22 length →
13 ML⇄DB Seminar Series (Fall 2023) 12 length →
14 CMU Intro to Database Systems (15-445/645 - Fall 2023) 26 length →
15 Database Query Optimizers 10 length →
16 15-721 Advanced Database Systems (Spring 2023) 23 length →
17 ¡Databases! – A Database Seminar Series (Fall 2022) 12 length →
18 CMU Intro to Database Systems (15-445/645 - Fall 2022) 26 length →
19 Vaccination Database Tech Talks - Booster (2022) 13 length →
20 Vaccination Database Tech Talks - Second Dose (2021) 14 length →
21 15-445/645 Intro to Database Systems (Fall 2021) 25 length →
22 A Celebration of Mike Stonebraker (April 2014) 10 length →
23 Vaccination Database Tech Talks - First Dose (2021) 19 length →
24 Quarantine Database Tech Talks (2020) 29 length →
25 15-721 Advanced Database Systems (Spring 2020) 25 length →
26 15-445/645 Intro to Database Systems (Fall 2019) 26 length →
27 15-721 Advanced Database Systems (Spring 2019) 26 length →
28 Hardware Accelerated Database Lectures (Fall 2018) 6 length →
29 15-445/645 Intro to Database Systems (Fall 2018) 26 length →
30 15-721 Advanced Database Systems (Spring 2018) 25 length →
31 Time Series Database Lectures (Fall 2017) 6 length →
32 15-445/645 Intro to Database Systems (Fall 2017) 25 length →
33 15-721 Advanced Database Systems (Spring 2017) 25 length →
34 Seven Databases in Seven Weeks (Fall 2014) 6 length →
35 The Databaseology Lectures (Fall 2015) 6 length →
36 15-721 Advanced Database Systems (Spring 2016) 24 length →

Longest uploads

Top 5 · 1h 41m and down
  1. CMU Advanced Database Systems - 02 Transaction Models & In-Memory Concurrency Control (Spring 2019) · 1:40:50 · 2019-01-22
  2. Lecture #24 - End-of-Semester + MemSQL Tech Talk [CMU Database Systems Spring 2016] · 1:40:16 · 2016-05-16
  3. 25 - Databases on New Hardware (CMU Databases / Spring 2020) · 1:32:46 · 2020-04-28
  4. 19 - Query Optimizer Implementation I (CMU Databases / Spring 2020) · 1:29:56 · 2020-04-02
  5. 18 - Multi-Version Concurrency Control (CMU Intro to Database Systems / Fall 2021) · 1:28:08 · 2021-11-04
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Data from the YouTube Data API as of 2026-10-23 (cached). Uploads are counted newest first; private, deleted and live videos are excluded from totals.