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SQLRide — Learn, Practice and Master SQL
Learn SQL online for free — interactive SQL tutorials, practice queries in your browser, and step-by-step lessons covering SELECT, JOINs, aggregations, windo...
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83 % |
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SQLSimplified: Learn SQL Interactively with In-Browser DuckDB
Learn SQL from beginner to advanced with interactive, in-browser examples. Run real queries against sample databases with DuckDB WASM. No signup required.
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82 % |
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boringSQL | Supercharge your SQL & PostgreSQL powers
Learn practical SQL & PostgreSQL techniques. Build rock-solid data systems with 'boring' database solutions that deliver reliability without the drama.
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81 % |
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Noruj - Real IT fixes & honest AI experiments by Shaik Noor
A support engineer's diary: night shifts in enterprise support, honest AI tool tests, real fixes, and the road from night shifts to parallel income and…
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81 % |
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SQL Tutorial: Learn SQL with Interactive Exercises
Learn SQL for free with beginner to advanced tutorials, SQL exercises, and an online SQLite playground. Practice SELECT, joins, CTEs, and window functions.
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80 % |
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DBAcademy: learn SQL, PostgreSQL and NoSQL by doing
Free interactive SQL course: 22 lessons with graded challenges. Run PostgreSQL, SQLite and NoSQL in your browser, starting with a murder mystery.
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80 % |
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SQLRite — an embedded SQL + vector database in Rust
SQLRite is an embedded SQL + vector database in Rust — a SQLite alternative with WAL transactions, HNSW vector search, BM25 full-text, and six language SDKs.
|
80 % |
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High-performance embedded SQL database in Rust | Stoolap
High-performance embedded SQL database written in pure Rust
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80 % |
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iqtoolkit — Open-source PostgreSQL diagnostic tooling
Open-source PostgreSQL diagnostic tooling. Self-hosted, privacy-first. From The Postgres Guy.
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80 % |
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80 % |
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SQLearner
Struggling to Learn SQL? SQLearner Makes it Click! Learning SQL can be daunting. SQLearner provides a clear, engaging, and practical path to mastering databa...
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79 % |
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PostgresTutorial - Learn PostgreSQL
Learn PostgreSQL from beginner to advanced with interactive lessons, a live SQL sandbox, and quizzes. Free and open source.
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79 % |
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SQL Crack | Transform SQL Queries into Visual Flow Diagrams
Free, open-source SQL visualization tool. Transform complex queries into interactive flow diagrams. Trace column lineage, optimize performance. Works in brow...
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79 % |
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SqlCheat.com - Master SQL with Advanced Tutorials and Interactive Playground
Master SQL with advanced tutorials, real-world examples, and an interactive SQL playground. From window functions to performance optimization - learn SQL tha...
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78 % |
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AI query optimizer for PostgreSQL: SQL tuning & optimization
AI query optimizer for PostgreSQL that turns logs into SQL tuning roadmaps with planner-aware insights, query optimizer guidance, and shareable performance r...
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78 % |
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SQL Mastery - Learn SQL with 40% Theory, 60% Practice
Master SQL through interactive learning modules with hands-on practice exercises
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78 % |
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Learn SQL — learn it by running it
Master SQL with an interactive editor and a free, PostgreSQL-focused encyclopedia. Write real queries against a real database — from your first SELECT to win...
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78 % |
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SQL Quest — Learn SQL by Playing a Fantasy RPG (Free)
Learn SQL free by playing a fantasy RPG. Write real queries against a live in-browser database — 48 lessons from SELECT to window functions, plus a daily cha...
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78 % |
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postgamma - PostgreSQL inside your application
PostgreSQL inside your application
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78 % |
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sqlcmd.net | In-Browser SQL Search
In-browser SQL search with weighted ranking across validated examples for MySQL, MariaDB, SQL Server, PostgreSQL, SQLite, and Oracle.
|
77 % |
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