Here is the performance stats of the solution by Divya for TSQL Challenge20.
| Attempt | Start Time | Reads | Writes | CPU | Duration (Sec) |
| 1 | Apr 21 2010 11:17PM | 11370 | 0 | 140 | 0.1380 |
| 2 | Apr 21 2010 11:47PM | 11370 | 0 | 124 | 0.1380 |
| 3 | Apr 22 2010 12:17AM | 11370 | 0 | 109 | 0.2430 |
| 4 | Apr 22 2010 12:47AM | 11370 | 0 | 125 | 0.1210 |
| 5 | Apr 22 2010 1:17AM | 11370 | 0 | 125 | 0.1210 |