November 2025
Beginner to intermediate
336 pages
7h 48m
English
This part of the book explores SQL techniques for extracting, transforming, and analyzing data. It begins with using SELECT expressions and filtering results to retrieve specific data based on conditions. You’ll learn how to update data, modify table structures, and apply both built-in and user-defined transformation functions. This part also covers joining tables, performing set operations, and aggregating data using GROUP BY and HAVING to uncover broader insights. Finally, it introduces window functions to analyze row positions and relationships within datasets for deeper, context-aware analysis.
This part of the book includes the following chapters:
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