| to find employees | 7 | purpose |
| efficiently | 3 | manner |
| to find the requested rows | 3 | purpose |
| database → use → index | 20 |
| database → use → the index | 8 |
| database → use → its indexes | 3 |
| negative | neutral | positive |
| 0.075 | 0.710 | 0.214 |
| Raw frequency | 31 |
| Normalized frequency | 0.376 |
| Modifier score | 0.800 |
| Perplexity | 152.902 |