Alan Beaulieu Books

Einfuhrung in SQL

By Alan Beaulieu

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Mastering Oracle SQL

By Alan Beaulieu, Sanjay Mishra

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Mastering Oracle SQL, 2nd Edition

By Alan Beaulieu, Sanjay Mishra

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Learning SQL Learning

By Alan Beaulieu

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Learning SQL

By Alan Beaulieu

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Updated for the latest database management systems, this introductory guide will get you up and running with SQL quickly. Whether you need to write database applications, perform administrative tas...

Learning SQL

By Alan Beaulieu

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Learning SQL

By Alan Beaulieu

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Aprende SQL Learning SQL

By Alan Beaulieu

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Aprende SQL. Segunda edicion

By Alan Beaulieu

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97 Things Every SQL Developer Should Know

By Alan Beaulieu

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.