Top SQL Interview Q&A for Data Scientists

Calculating ratios is one of the most frequently asked SQL questions in data science interviews. In this video, I’ll go over the two most common ways to compute a ratio, and feature two examples to demonstrate solving the problems in real-time: how to calculate the premium subscription rate, and the immediate order from customers’ order data. 🟢Get all my free data science interview resources https://www.emmading.com/get-all-my-free-resources 🟡 Product Case Interview Cheatsheet https://www.emmading.com/product-case-cheat-sheet 🟠 Statistics Interview Cheatsheet https://www.emmading.com/statistics-interview-cheat-sheet 🟣 Behavioral Interview Cheatsheet https://www.emmading.com/behavioral-interview-cheat-sheet 🔵 Data Science Resume Checklist https://www.emmading.com/data-science-resume-checklist ✅ We work with Experienced Data Scientists to help them land their next dream jobs. Apply now: https://www.emmading.com/coaching // Comment Got any questions? Something to add? Write a comment below to chat. // Let's connect on LinkedIn: https://www.linkedin.com/in/emmading001/ ==================== Contents of this video: ==================== 00:00 Introduction 00:38 Ratios 01:10 Calculating Ratios 01:39 Two Methods 02:07 Example: Subscription Rate 05:00 Example: Immediate Order 08:58 Outro