Here is the performance stats of the solution by pp.pragnesh for TSQL Challenge23.
| Attempt | Start Time | Reads | Writes | CPU | Duration (Sec) |
| 1 | Jun 17 2010 12:07AM | 361 | 0 | 234 | 0.344 |
| 2 | Jun 17 2010 12:29AM | 361 | 0 | 203 | 0.257 |
| 3 | Jun 17 2010 12:52AM | 361 | 0 | 202 | 0.347 |
| 4 | Jun 17 2010 1:15AM | 361 | 0 | 171 | 0.275 |
| 5 | Jun 17 2010 1:38AM | 361 | 0 | 187 | 0.311 |