by Uwe Ricken | Apr 7, 2025 | Level 300, SQL Challenges
Problem Description / Requirement This – simplified – problem arises from software that allows for individual customization to meet customer needs. A customer uses the software as a grading system for students at their university. A separate column has been...
by Uwe Ricken | Feb 17, 2025 | Level 300, SQL Challenges
Problem Description / Requirement A new customer contacts you. Their developers have created a dashboard that contains five KPI components that visualize the importance of orders according to a given status. The status of an order can only have 3 states! high normal...
by Uwe Ricken | Feb 9, 2025 | Level 300, SQL Challenges, Uncategorized
Problem Description / Requirement The customer has developed an application that he himself has developed and swears by the use of user-defined functions. The developers argue that user-defined functions create reusable code that makes work easier. A calculated...
