Here is the performance stats of the solution by SparkS for TSQL Challenge23.
| Attempt | Start Time | Reads | Writes | CPU | Duration (Sec) |
| 1 | Jun 17 2010 12:07AM | 480327 | 50 | 28314 | 28.452 |
| 2 | Jun 17 2010 12:30AM | 480328 | 49 | 27955 | 28.116 |
| 3 | Jun 17 2010 12:53AM | 480327 | 50 | 28658 | 28.834 |
| 4 | Jun 17 2010 1:16AM | 480327 | 50 | 28736 | 28.902 |
| 5 | Jun 17 2010 1:38AM | 480327 | 50 | 30295 | 30.454 |