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Apache Spark has levels to it: - Level 0 You can run spark-shell or pyspark, it means you can start - Level 1 You understand the ...

SQL INTERVIEW QUESTION ASKED AT MICROSOFT! | FIND THE SECOND HIGHEST SALARY This SQL interview question ...

In this video, I've explained one of the most commonly asked SQL interview questions at Amazon using LEAD() and LAG() ...

This is CS50, Harvard University's Introduction to the intellectual enterprises of computer science and the art of programming.

Welcome back to logical kanika! In this video, we're diving deep into one of the most powerful yet misunderstood concepts in SQL ...

To follow along with this lecture, visit https://cs50.harvard.edu/sql. *** This is CS50, Harvard University's introduction to the ...

In this video, I'll cover the top data analyst interview questions and answers for 2025. Whether you're preparing for Deloitte, KPMG ...

Subscribe & Comment 'sql' i will send you complete details and also will send you complete SQL checklist for Data Analyst ...

Looking for a SQL tutorial that's user-friendly and easy to follow? Look no further than using ChatGPT! This video tutorial is ...

Confused about SQL UNION, UNION ALL, and INTERSECT? Not sure when to use which? In this video, I break them down with ...

Master SQL Aggregate Functions! In this video, I'll break down COUNT, SUM, MIN, MAX, and AVG with easy-to-follow examples.

Are you interested in AI, data science, or data engineering? Then, you came to the right place. In this video, we dive into the ...

To follow along with this lecture, visit https://cs50.harvard.edu/sql. *** This is CS50, Harvard University's introduction to the ...