From: Dynamic-ETL: a hybrid approach for health data extraction, transformation and loading
Rule number | Number of source tables | Number of records (in all source tables) | Run-time (in seconds) |
---|---|---|---|
1 | 1 | 21,565 | 1.1 |
2 | 2 | 851,706 | 30.3 |
3 | 2 | 1,910,513 | 12.0 |
4 | 2 | 1,324,860 | 13.1 |
5 | 3 | 1,987,582 | 15.3 |
6 | 3 | 2,007,661 | 30.1 |