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SQL Concepts Lab (Tool)
SQL Concepts Lab is an interactive, browser-based sandbox that runs SQL directly in your client using DuckDB-WASM.
What: Built by Oluies, this tool requires zero setup or server-side infrastructure, using WebAssembly to provide a self-contained SQL execution environment for learning and experimentation.
Takeaway: Try the interactive exercises at https://oluies.github.io/sql-concepts-lab/ to practice SQL fundamentals without installing a database.
Decoder
- DuckDB-WASM: A version of the analytical SQL database DuckDB compiled to WebAssembly, enabling high-performance SQL query processing entirely inside a web browser.
Original article
SQL Concepts Lab is an interactive, browser-based tutorial built with DuckDB-WASM that lets you learn and experiment with core SQL concepts directly in your browser without any setup. It provides hands-on exercises covering fundamental SQL in a live environment, making it a practical way to understand SQL through immediate feedback and experimentation.
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