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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 ...

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

Aaj ke short mein hum cover kar rahe hain sabse important SQL Server aggregate functions — bilkul beginner-friendly tareeke se!

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

Check out this simple roadmap that I followed to master SQL...

LINK in the comments - In CTE o insert your old query - In CTE n: insert your new query - In Difference CTE: - The first part selects ...

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

Are you a fresher looking for tips and tricks to ace your software testing job interviews? Look no further! In this video from ...

How do you make a set of $700 speakers sound like they were bought at Walmart? Tune in to find out!

Check AWS services cheatsheet on my website nataindata.com S3: object storage Redshift: data warehouse for large-scale data ...

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

Window functions and aggregate function window function and aggregate function. Optimization technique so.

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

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

For getting started in SQL checkout my full video on Intro to learning SQL!!