🗄️DatabaseEN
SQL Mastery
An advanced SQL course covering window functions, CTEs, subqueries, query optimisation, indexing strategies, database design patterns, transactions, and analytical queries for real-world data problems.
10 lessons
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Lessons
Advanced SELECT & FilteringPreview
Joins Mastery
Subqueries & Common Table Expressions
Window Functions
Aggregation & Grouping
Indexing Strategies
Query Optimisation
Database Design Patterns
Transactions & Concurrency
Analytical & Reporting Queries