Here is the performance stats of the solution by Divya for TSQL Challenge18.
| Attempt | Start Time | Reads | Writes | CPU | Duration (Sec) |
| 1 | Apr 8 2010 11:47PM | 1077609 | 340 | 27550 | 28.180 |
| 2 | Apr 9 2010 12:11AM | 1077605 | 308 | 30389 | 31.209 |
| 3 | Apr 9 2010 12:35AM | 1077605 | 308 | 29094 | 30.100 |
| 4 | Apr 9 2010 12:59AM | 1077605 | 311 | 28267 | 29.047 |
| 5 | Apr 9 2010 1:23AM | 1077602 | 311 | 28564 | 29.474 |