Mastering mathematical symbols is essential for success in various fields, from science to technology. The article breaks ...

Designed a relational database to manage hotel operations—users & permissions, locations & departments, staff & guests, rooms & bookings (payments, invoices), services, maintenance, and ...

A structured SQL-based analysis of Spotify music data, exploring artist performance, track features, and platform trends. Queries are categorized by difficulty, from basic to advanced, using aggregate ...