CLUSTER SQL-WEB-INTERACTIVE · 5 ENTRIES · EARLIEST ENTRY 2026-08-17
Interactive SQL practice platforms
Interactive web platforms for learning SQL through hands-on, auto-graded practice problems with progress tracking. The cluster's dated history is too thin to read a shape from — it predates the index or its members are undated. Traction leaders are SQL-Dojo, practicer, and killsql, each with 0 stars.
Entry timeline
ENTRY TIMELINE
Each bar is the month a member carries, which is a creation date where the source published one and a crawl date otherwise. Nothing in the index was found before 11 August 2026, and coverage broadened sharply on 14–15 August, so a bar from then on reports how much we found that month, not how much was built; an earlier bar reports how far back a member's own source dated it — not how long we have been watching.
Members by activity
Activity signals, not revenue.
Build origin · 5 unlabelled
Operator · 2 hobby · 1 indie · 2 unlabelled
Two labels per entry, never collapsed into one: how it was built, and who stands behind it. Counted over the 5 listed below. Unlabelled means nothing has decided yet — not that the answer is small.
- 01practicer0★1 molivehobbyPlatform for developers and students to practice data structures, algorithms, and SQL with automated code evaluation and progress tracking.
- 02killsql0★29 dayslivehobbyWeb app that offers LeetCode-style SQL exercises with in-browser execution, progress tracking, streaks, and leaderboards for learners.
- 03SQL-Dojo0★8 daysliveindieInteractive web platform for learning SQL through hands-on practice problems with instant auto-grading and progress tracking.
- 04sql-academy0★2 moliveInteractive web platform that teaches SQL progressively, from basic fundamentals through professional-level practice scenarios.
- 05Data Dungeon — Learn SQL by Adventure0★unknownliveGamified web platform that teaches SQL by having learners write queries to defeat bosses and advance through levels.
Ranked by traction, highest first, and paged 20 at a time — this is a window on the cluster, never the whole of it. Ties are broken by a stable id so a product cannot appear on two pages or fall between them. Browse every cluster.