This repository contains structured SQL notes, practice queries, and interview questions. Covers DDL, DML, Joins, Subqueries, Constraints, Views, and more. Ideal for beginners, students, and developers to learn, practice, and revise SQL with real-world examples and sample database schemas.
mysql postgres sql database sqlite dbms oracle normalization sql-functions datatypes sql-notes sql-interview-questions sql-basics sql-joins sql-guide
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Updated
Aug 7, 2025