Here is the performance stats of the solution by MisterMagoo for TSQL Challenge18.
| Attempt | Start Time | Reads | Writes | CPU | Duration (Sec) |
| 1 | Apr 8 2010 11:56PM | 7360 | 0 | 1919 | 2.525 |
| 2 | Apr 9 2010 12:20AM | 7360 | 0 | 2012 | 2.535 |
| 3 | Apr 9 2010 12:44AM | 7363 | 0 | 1966 | 2.466 |
| 4 | Apr 9 2010 1:08AM | 7363 | 0 | 1763 | 2.272 |
| 5 | Apr 9 2010 1:32AM | 7363 | 0 | 1856 | 2.466 |