Paul Dorsey Books

Oracle PL SQL Performance Tuning Tips & Techniques

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"In Oracle PL/SQL Performance Tuning Tips & Techniques, Oracle ACE authors with decades of experience building complex production systems for government, industry, and educational organizations pre...

Oracle Developer Advanced Forms and Reports

By Peter Koletzke

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Oracle JDeveloper 3 Handbook

By Paul Dorsey

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Oracle9i JDeveloper Handbook

By Peter Koletzke

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Oracle JDeveloper 10g Handbook

By Avrom Faderman

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Enterprise Data Modeling Using UML

By Paul Dorsey

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Oracle Designer Handbook

By Paul Dorsey

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Oracle8 Database Design Using UML Object Modeling

By Joseph R. Hudicka, Paul Dorsey

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NCV Checkbook Bible

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Oracle PL SQL For Dummies

By Paul Dorsey, Michael Rosenblum

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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.