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Data Science Interviews

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Top Architect
Top Architect
Apr 2, 2024 · Databases

Ten Advanced SQL Concepts Every Data‑Science Interview Candidate Should Master

This article explains ten advanced SQL techniques—including common table expressions, recursive CTEs, temporary functions, CASE‑WHEN pivots, EXCEPT vs NOT IN, self‑joins, ranking functions, delta calculations, cumulative sums, and date‑time manipulation—providing clear explanations and complete query examples to help readers ace data‑science interview questions.

Data Science InterviewsDatabaseSQL
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Ten Advanced SQL Concepts Every Data‑Science Interview Candidate Should Master