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PostgreSQL from SELECT to window functions, joins, and query optimization.
Best for: beginner learners who want one guided path through Postgresql
$159.99View course →
CourseDepthCourseDepth
Ranked by the CourseDepth editorial team from student reviews across every provider. How we rank
CourseDepth compares the 2 SQL courses listed here from 1 provider, 2 of them with a certificate, and ranks them from the 271,007 ratings and reviews their students have left, with the price, length and level of each one side by side. No course pays to be listed or ranked. How we rank
The most-reviewed course in this category is The Complete SQL Bootcamp: Go from Zero to Hero by Jose Portilla, with 258,007 reviews at 4.7 out of 5 as of October 2026.
Yes — all 2 SQL courses we track include a certificate of completion. It shows you finished the coursework, but it is not an accredited qualification.
List prices in this category run from $19.99 to $159.99. Udemy runs sales roughly every two to three weeks that bring most courses down to $12.99–$19.99, so it is usually worth waiting for the next sale.
By student rating weighted with review volume (50%), content freshness — the last update date (25%), curriculum completeness (15%) and price value (10%). No provider can pay to be listed or ranked.
2 courses
PostgreSQL from SELECT to window functions, joins, and query optimization.
Best for: beginner learners who want one guided path through Postgresql
The Only SQL Course with 200+ Visual Animations: Learn Fast, Practice Hard & Build Real-World Projects
Best for: all level learners who want one guided path through SQL
Ranked by average rating × review count, update freshness, and curriculum completeness. Pricing is checked regularly with providers. Full methodology →