Practice smart by starting with easier problems to build confidence, recognizing common coding patterns, and managing your ...

A recent article reports that an Oracle patent on a fast sorting method has expired, allowing open source databases to use it freely. Mark Callaghan, the inventor behind the sorting algorithm, shows ...

Cloudflare recently announced support for aggregations in R2 SQL, a new feature that lets developers run SQL queries on data stored in R2. This enhancement expands R2 SQL beyond basic filtering and ...

Cloud database forensics faces fundamental structural challenges that differ from traditional on-premises environments. This study experimentally investigates how three representative recovery ...

In this repository, we have SQL problems for practice from beginner level to advanced level using a fictitious database 'Worldwide importers'. I learned SQL under Udacity Introduction to Data Science ...