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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() ...

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

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

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 ...

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

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

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

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

How to Count Number of row exist in table without asterisk symbol means without Count (*) function When huge data exist 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 ...

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

Sign up for the n8n community waitlist: https://rorys-ridgers.beehiiv.com/ —--- Work with me: —---- Website: ...

Query optimization in DBMS | Query Optimisation techniques- MOST IMPORTANT SQL/ DBMS INTERVIEW QUESTION. ✨Link to ...

Find accompanying resources for this lecture, such as the slides, notes and exercises here: ...

Let's check in with Ufuk Celebi, Confluent, to learn about one of the ways he sees folks using #apacheFlink in their #dataPipelines ...