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Hi Viraj! There are tons of free websites depending on the dialect of SQL you choose to learn. PostgreSQL is a very good starting point as its syntax is generic. Here are a few popular beginner-friendly sites w3schools:- https://www.w3schools.com/ SQL bolt:- https://sqlbolt.com/ SQL zoo:- https://sqlzoo.net/ (with wiki-style setup and practice quiz) and a small but detailed https://www.sql-practice.com/