| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| optional relationship in erd | 0.58 | 0.4 | 4299 | 35 | 28 |
| optional | 1.93 | 0.8 | 6645 | 12 | 8 |
| relationship | 1.93 | 1 | 9696 | 24 | 12 |
| in | 0.38 | 0.2 | 2541 | 59 | 2 |
| erd | 0.21 | 0.5 | 3050 | 43 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| optional relationship in erd | 0.91 | 0.1 | 4673 | 41 |
