Here is the performance stats of the solution by jagatrp for TSQL Challenge20.
| Attempt | Start Time | Reads | Writes | CPU | Duration (Sec) |
| 1 | Apr 21 2010 11:20PM | 1127 | 0 | 32 | 0.1850 |
| 2 | Apr 21 2010 11:50PM | 1127 | 0 | 47 | 0.3920 |
| 3 | Apr 22 2010 12:20AM | 1127 | 0 | 47 | 0.1300 |
| 4 | Apr 22 2010 12:50AM | 1127 | 0 | 47 | 0.1300 |
| 5 | Apr 22 2010 1:20AM | 1127 | 0 | 47 | 0.1030 |