Here is the performance stats of the solution by Aguardientico for TSQL Challenge23.
| Attempt | Start Time | Reads | Writes | CPU | Duration (Sec) |
| 1 | Jun 16 2010 11:59PM | 238 | 0 | 140 | 0.231 |
| 2 | Jun 17 2010 12:21AM | 238 | 0 | 109 | 0.209 |
| 3 | Jun 17 2010 12:44AM | 238 | 0 | 156 | 0.214 |
| 4 | Jun 17 2010 1:07AM | 238 | 0 | 156 | 0.213 |
| 5 | Jun 17 2010 1:30AM | 238 | 0 | 141 | 0.226 |