Author: Michael Fitzgerald

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SQL. Collection of recipes
Author: Anthony Molinaro

This book is a great companion for web developers who already know the basics of SQL but want to deepen their knowledge and solve more complex problems. SQL Cookbook offers practical solutions for various database scenarios, such as transferring data to network applications, creating histograms, processing hierarchical data, and much more.

The book's main strength is its universal approach to various database management systems ( DBMS ). Anthony Molinaro breaks down each task, providing examples for popular DBMSs such as SQL Server, DB2, Oracle , MySQL , and PostgreSQL . This allows the reader to understand how to use SQL in various environments, which is especially useful for those who work with multiple platforms.

Learning Ruby

This book is the perfect guide for anyone looking to cyprus telegram data master the dynamic Ruby programming language , which is widely used in web development and for building backend applications. Ruby is characterized by its simple syntax and open source nature, making it popular among developers working on scripts , web applications, automation algorithms, and data processing.

"Learn Ruby" takes you through the basic concepts of the language, from working with conditionals and functions to more complex structures like arrays and hashes . The author explains the key principles of Ruby programming in an accessible way, with detailed examples and practical exercises to help you consolidate your knowledge.Why Programmers Are Unhappy: The Downsides of Working in IT