Mary Pyefinch Books

SQL From The Ground Up

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SQL (structured query language) is flexible, cross-platform language used to identify trends and relationships in data. SQL relational database business and services is a multi-billion dollar indus...

Access 2000 Client/Server Solutions: The In-Depth Guide To Developing Access Client/Server Systems

By Mary Pyefinch, Lars Klander

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Covers the expert-level techniques for developing Access client/server applications and using Access as a front-end development system. Provides case studies from large corporations that offer valu...

Onehourwiz: Becoming A Techie - The Legendary, World Famous Method For Anyone To Become A Techie

By Mary Pyefinch, Mary Pfyefinch

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OneHourWiz: Becoming a Techie (The Legendary, World Famous Method to Becoming a Techie) is a whirlwind tour of computer technology presented in an easy to understand language and format that both t...

One Hour Wiz: Becoming A Techie - The Legendary 10 Step Method For Anyone To Understand The Language Of The Techies

By MARY, Mary Pyefinch, Pyefinch

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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.