Here is the performance stats of the solution by Aborq for TSQL Challenge20.
| Attempt | Start Time | Reads | Writes | CPU | Duration (Sec) |
| 1 | Apr 21 2010 11:13PM | 1165 | 0 | 63 | 0.1250 |
| 2 | Apr 21 2010 11:43PM | 1129 | 0 | 63 | 0.2950 |
| 3 | Apr 22 2010 12:13AM | 1129 | 0 | 62 | 0.1280 |
| 4 | Apr 22 2010 12:43AM | 1129 | 0 | 62 | 0.1270 |
| 5 | Apr 22 2010 1:13AM | 1129 | 0 | 47 | 0.0920 |