PREFACE
I wrote my first production application when I was 16 years old using Microsoft Access 2000. It was basically a back-office system that ran the clinical side of a healthcare company; it managed patients, facilities, doctors, vendors and even the billing side. For almost five years it ran the business I wrote it for, before it was replaced with a more comprehensive solution that was purpose built for the industry. Back then, the network was a few large switches and a handful of towers in the IT manager’s office under his desk. My biggest challenge at the time was concurrent user access: what happens when two users on two different workstations access the same information at the same time? Cybersecurity had not entered my world yet, as ...
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