7 SQL Coding Questions for Data Analysts and Data Scientists

SQL proficiency is a critical skill for data analysts and data scientists, and SQL coding interviews are a common way for employers to assess a candidate’s database querying skills. In this article, we’ll explore 12 SQL interview coding questions frequently encountered in data-related job interviews. Each question is accompanied by a detailed explanation and a code example to help you prepare effectively for your next SQL interview.

Question 1: Retrieve Unique Values

Problem:

Retrieve unique values from a column in …

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