Here is the performance stats of the solution by gyankoju for TSQL Challenge19.
| Attempt | Start Time | Reads | Writes | CPU | Duration (Sec) |
| 1 | May 8 2010 12:22AM | 34693 | 0 | 1341 | 1.548 |
| 2 | May 8 2010 12:38AM | 34693 | 0 | 1326 | 1.460 |
| 3 | May 8 2010 12:55AM | 34693 | 0 | 1295 | 1.428 |
| 4 | May 8 2010 1:12AM | 34693 | 0 | 1341 | 1.574 |
| 5 | May 8 2010 1:29AM | 34693 | 0 | 1311 | 1.458 |