| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| levels of database system | 0.49 | 0.1 | 3155 | 37 | 25 |
| levels | 0.27 | 0.8 | 1679 | 64 | 6 |
| of | 0.73 | 0.8 | 4660 | 57 | 2 |
| database | 1.03 | 0.4 | 2115 | 95 | 8 |
| system | 1.77 | 0.1 | 1060 | 25 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| levels of database system | 0.51 | 0.5 | 5321 | 38 |
