Month: July 2025

a post for students in my database course Queries are fundamental to data analytics, enabling the extraction and manipulation of information from databases and other sources. When working with data, particularly in building data pipelines, two primary methodologies for moving and preparing data are Extract, Transform, Load (ETL) and Extract, Load, Transform (ELT). While both Read More

a post for students in my database course In the fast-paced world of data, insights are currency, and queries are the keys to unlocking them. For anyone stepping into database design and management, understanding queries isn’t just a technical skill; it’s a fundamental capability that underpins almost every task, from collecting raw information to generating Read More