Text analysis with SQL iPhone version distribution via regex

231. iPhone version distribution via regex

Maintaining legacy code the worst nightmare of any software engineer. Some users always use old (legacy) devices and we need to maintain older versions of our mobile and web apps. :smartphone:

This is why it’s important to keep an eye on how many users are still using legacy devices. Once we know that no one is using a legacy device we can upgrade our systems. 🚀

👉 Let’s figure out which iPhone model has the least amount of devices amount Bindle mobile app users.

🔍 Here’s a couple of examples of mobile versions from the devices table: iPhone...

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Anatoli Makarevich, author of SQL Habit About SQL Habit

Hi, it’s Anatoli, the author of SQL Habit. 👋

SQL Habit is a course (or, as some of the students say, “business simulator”). It’s based on a story of a fictional startup called Bindle. You’ll play a role of their Data Analyst 📊 and solve real-life challenges from Business, Marketing, and Product Management.

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-- Type in your query here. You might want to start by listing all records: SELECT * FROM devices
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