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

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

In this video, we'll solve one of the most frequently asked PySpark interview questions — “How to find the Top N records per group ...

Ready to build your first SQL table? In this video, we'll walk through the SQL CREATE TABLE command step by step—perfect for ...

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

50+ IT Full Courses in Telugu: https://www.youtube.com/playlist?list=PLbMVPNscUopTabwrwhZxVbvCoofSbe86P PythonLife Community ...

This is CS50P, CS50's Introduction to Programming with Python. Enroll for free at https://cs50.edx.org/python. Slides, source code ...