Channel · @cmudatabasegroup
CMU Database Group
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×
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
| Year | Videos | Watch time | Average |
|---|---|---|---|
| 2026 | 27 | 19h 55m | 44m 15s |
| 2025 | 74 | 3d 9h 5m | 1h 5m 44s |
| 2024 | 58 | 2d 23h 53m | 1h 14m 22s |
| 2023 | 61 | 3d 58m | 1h 11m 47s |
| 2022 | 52 | 2d 13h 46m | 1h 11m 16s |
| 2021 | 67 | 2d 21h 45m | 1h 2m 27s |
| 2020 | 54 | 2d 13h 45m | 1h 8m 36s |
| 2019 | 53 | 2d 16h 33m | 1h 13m 4s |
| 2018 | 58 | 2d 20h 3m | 1h 10m 24s |
| 2017 | 56 | 2d 18h 26m | 1h 11m 11s |
| 2016 | 36 | 1d 15h 43m | 1h 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.
Longest uploads
Top 5 · 1h 41m and down
- CMU Advanced Database Systems - 02 Transaction Models & In-Memory Concurrency Control (Spring 2019) · 1:40:50 · 2019-01-22
- Lecture #24 - End-of-Semester + MemSQL Tech Talk [CMU Database Systems Spring 2016] · 1:40:16 · 2016-05-16
- 25 - Databases on New Hardware (CMU Databases / Spring 2020) · 1:32:46 · 2020-04-28
- 19 - Query Optimizer Implementation I (CMU Databases / Spring 2020) · 1:29:56 · 2020-04-02
- 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.