SQL Window Functions via Practical Examples

Learn to use SQL window functions, pivot tables and subqueries to calculate sales KPI

Advanced SQL queries via practical examples

As software developer, oftentimes we overlook the importance to write concise and efficient SQL queries. We…

IEnumerable vs IQueryable: Demystify & Dive deep into how query works

Learn about how queries work behind the scene, and the difference between IEnumerable and IQueryable