HackerRank isn’t just a random collection of problems; they’ve organized their SQL section pretty well. You can find ...

In the world of relational databases, VARCHAR is one of the most commonly used string data types, primarily used for storing variable-length character data. However, for many beginners ... SQL Server ...

Check out the best free AI courses for beginners in 2025. Learn artificial intelligence, machine learning, AI and ML courses ...

Companies are rushing to promote AI transformation, employees are actively learning AI tools, and students are incorporating ...

When working with a large data set, you would be more productive if you knew how to quickly find what you need. Luckily, Excel has a few functions that can help with this. The FIND Function in Excel ...

John Gesimondo explains a framework for achieving sustainable mental peace at work. He shares practical recipes for using GenAI to improve emotional recovery, overcome task paralysis, and enhance ...

In 2025, vulnerability scanning tools are essential for modern security teams, but running a scan is rarely the hard part anymore. The real challenge is automating it at scale: across thousands of ...

The DDR5 memory standard, which was officially finalized in July 2020 with AMD Ryzen 7000 (“Raphael”) and Intel Core 13000 (“Alder Lake”), only really started to slowly replace its DDR4 predecessor in ...

Yarilet Perez is an experienced multimedia journalist and fact-checker with a Master of Science in Journalism. She has worked in multiple cities covering breaking news, politics, education, and more.