Colin Ritchie Books

Relational Database Principles

By Colin Ritchie

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Operating Systems

By Colin Ritchie

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Database Principles and Design

By Colin Ritchie

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Computing: Operating Systems

By Colin Ritchie, C. Ritchie

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The aim of this book is to provide a course text for HNC/D and first and second-year degree courses in computing. It covers the principles required by general computing students, illustrating theor...

Relational Database Principles Computing Textbooks

By Colin Ritchie, C. Ritchie

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Operating Systems

By Colin Ritchie, C. Ritchie

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Operating Systems

By E. Ritchie

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Relational Database Principles

By Colin Ritchie

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"This book is a practical introduction to the practice and principles of relational databases for HND and undergraduate computing students.". "Emphasizing data modelling and the subsequent constru...

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.