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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 ...

Do you need to learn SQL if you can do everything in Python? #python #dataanalysis #SQL. SUBSCRIBE! Do you want to ...

Database devops | Database for devops | Database migration | How much Database knowledge is expected for a devops ...

PG Armenia x Percona University happened in Yerevan on August 28, 2025! A vibrant one-day gathering of international ...

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

If your PostgreSQL database on Kubernetes goes down, how do you get your data back? The answer: Velero. In today's session ...

advantages of RDBMS • benefits of relational database management system • why use RDBMS • RDBMS features and ...

Confused about SQL data types? This video explains SQL data types in a simple and beginner-friendly way. In this video, you will ...

In this PostgreSQL tutorial, we will cover how to create tables and establish table relationships with One-to-Many and ...

I went through your top-voted questions from https://pollgab.com/room/brento. Here's what we covered: 01:09 AussieDBA: I was ...

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

1. SQL is your best friend — it gets you through 80% of the work. 2. Excel isn't basic — pivot tables & formulas are used daily. 3.

Server:** A server is a computer or a system that is designed to manage network resources and provide services to other ...

Database System Architecture's Lab about debugging PostgreSQL source code and discussion about the project.

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

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

Struggling with slow SQL queries? Want to optimize them for lightning-fast performance? In this video, I'll walk you through SQL ...

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