SQL & Database Design A-Z™: Learn MS SQL Server + PostgreSQL: is it worth it?
by Kirill Eremenko, Ilya Eremenko, SuperDataScience Team, Ligency · All Levels · Development
Learn Both SQL Server & PostgreSQL By Doing. Enhance Your Data Analytics Career With Real World Data Science Exercises
Worth it on sale — 68/100
Good, but with a weak spot (see the breakdown). Only buy at a discounted sale price. Last updated 18 months ago.
Rating4.6 / 5adjusted 4.58
Reviews5,427
Students31,701
Video12h 40m103 lectures, 10 sections
Avg lecture7.4 min
Last updatedApr 2025
Score breakdown
| Adjusted rating (4.58; raw 4.6 from 5,427 reviews) | 39 / 50 |
| Review volume (social proof) | 19 / 25 |
| Freshness (last updated Apr 2025) | 10 / 25 |
| Total | 68 / 100 |
|---|
How it compares in SQL
Ranks #6 of 9 popular SQL courses we track by score. Its rating of 4.6 is above the SQL median of 4.5.
When to buy
Udemy runs storewide sales frequently and list prices are rarely what buyers pay, so the usual advice is to wait for a sale price instead of paying list price. Prices differ by country and account, so we do not show them; check the current price on Udemy.
Tracked history
| Date | Rating | Reviews | Video |
|---|---|---|---|
| 2026-10-10 | 4.6 | 5,427 | 12h 40m |
Tracking since 2026-10-10. Snapshots are taken every few days.