Practical PostgreSQL: From Queries to Performance

Knowing basic SQL is a great start, but building robust, scalable applications requires a deeper understanding of your database. This course helps you move beyond simple statements and unlock the full power of PostgreSQL. You will learn to write complex, efficient queries, design effective database schemas, and diagnose performance issues, transforming you into a more confident and capable database user. What you'll learn: - Write advanced SQL queries using Common Table Expressions (CTEs) and window functions. - Work with complex data types, including native JSONB support for semi-structured data. - Understand and apply different indexing strategies to optimize query performance. - Analyze query execution plans with EXPLAIN to identify and resolve bottlenecks. - Manage data integrity and concurrency with transactions and isolation levels. - Create custom functions and triggers to extend database functionality. The course starts with a review of core concepts and then progressively introduces more advanced topics. Each section is built around practical explanations and exercises designed to solidify your understanding. This course is for developers, data analysts, and anyone who has a basic understanding of SQL and wants to deepen their expertise in PostgreSQL. No prior advanced database experience is required. Start your journey to mastering PostgreSQL today.