SQL Challenges Troubleshoot real word scenarios with Microsoft SQL Server SQL Challenge #10 – when Database Settings impact performance by Uwe Ricken | 11/03/2525 SQL Challenge #9 – When Estimates are wrong by Uwe Ricken | 10/22/2525 SQL Challenge #8 – Overlapping Time Series by Uwe Ricken | 07/07/2525 SQL Challenge #7 – Dynamically added attributes by Uwe Ricken | 04/07/2525 SQL Challenge #6 – Locking locks your SQL Server by Uwe Ricken | 03/03/2525 SQL Challenge #5 – When Constraints not work by Uwe Ricken | 02/17/2525 SQL Challenge #4 – Nightmares with User Defined Functions by Uwe Ricken | 02/09/2525 SQL Challenge #3 – Case Sensitive Searches by Uwe Ricken | 02/02/2525 SQL Challenge #2 – Aggregations in Partitioned Tables by Uwe Ricken | 01/27/2525 SQL Challenge #1 – When the marketing department calls by Uwe Ricken | 01/20/2525 SQL Challenges SQL Challenge #10 – when Database Settings impact performance 2025-11-03 SQL Challenge #9 – When Estimates are wrong 2025-10-22 SQL Challenge #8 – Overlapping Time Series 2025-07-07 SQL Challenge #7 – Dynamically added attributes 2025-04-07 SQL Challenge #6 – Locking locks your SQL Server 2025-03-03