Web Reference: Feb 26, 2026 · The tutorial is intended to give an introduction to PostgreSQL, relational database concepts, and the SQL language. We assume some general knowledge about how to use computers and no particular Unix or programming experience is required. Jul 23, 2025 · This article provides PostgreSQL practice exercises with solutions, allowing learners to explore how joins, aggregations, triggers, and foreign keys work in real scenarios. Test your PostgreSQL skills with exercises from all categories: Tip: Sign in to track your progress. If you haven't already, sign up to become a W3Schooler, and get points for every exercise you complete.
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