SQL-Beherrschung: Erschalten Sie die Möglichkeiten von Datenbanken und Abfragen: Ein umfassender Leitfaden für
32,77 €
SQL Mastery: Unlock the Power of Databases and Queries is the comprehensive guide you need to master SQL, the essential language for working with relational databases. Learn about INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN, and understand how to retrieve related data from different tables efficiently.Grouping and Aggregating Data: Learn how to group data and apply aggregation functions such as COUNT, SUM, AVG, MIN, and MAX.
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