Here is the performance stats of the solution by pp.pragnesh for TSQL Challenge19.
| Attempt | Start Time | Reads | Writes | CPU | Duration (Sec) |
| 1 | May 8 2010 12:27AM | 5809801 | 141 | 6333 | 6.499 |
| 2 | May 8 2010 12:44AM | 5809801 | 142 | 6365 | 6.571 |
| 3 | May 8 2010 1:00AM | 5809801 | 142 | 6365 | 6.561 |
| 4 | May 8 2010 1:17AM | 5809801 | 142 | 6255 | 6.417 |
| 5 | May 8 2010 1:34AM | 5809801 | 142 | 6396 | 6.642 |