When one or more of the All filters is selected - only average normalized results are displayed. Please read Running and Results for more details.
Comparison of database storage efficiency (normalized score, higher is better)
| Derby embedded | H2 embedded | HSQLDB embedded | SQLite embedded | DB4O embedded | ObjectDB embedded | Derby server | H2 server | MySQL server | PostgreSQL server | ObjectDB server | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DataNucleus | 30.0 | 21.5 | 31.1 | failed | |||||||
| EclipseLink | 30.5 | 30.6 | 31.1 | 100 | |||||||
| Hibernate | 29.0 | 21.5 | 31.1 | failed | |||||||
| OpenJPA | 30.2 | 21.5 | 31.1 | ||||||||
| ObjectDB | 56.6 |
Disk space efficiency chart - The Y-Axis represents normalized score in logarithmic scale - higher is better:
Disk space efficiency chart - The Y-Axis represents normalized score in linear scale - higher is better:
Best and Worst JPA/Database Performer in this comparison
The Most Efficient:
| 1. | EclipseLink with SQLite embedded | 100 |
| 2. | ObjectDB embedded | 56.6 |
| 3. | DataNucleus with HSQLDB embedded | 31.1 |
| 4. | EclipseLink with HSQLDB embedded | 31.1 |
| 5. | Hibernate with HSQLDB embedded | 31.1 |
| 6. | OpenJPA with HSQLDB embedded | 31.1 |
| 7. | EclipseLink with H2 embedded | 30.6 |
| 8. | EclipseLink with Derby embedded | 30.5 |
The Least Efficient:
| 9. | OpenJPA with Derby embedded | 30.2 |
| 10. | DataNucleus with Derby embedded | 30.0 |
| 11. | Hibernate with Derby embedded | 29.0 |
| 12. | DataNucleus with H2 embedded | 21.5 |
| 13. | Hibernate with H2 embedded | 21.5 |
| 14. | OpenJPA with H2 embedded | 21.5 |
| 15. | DataNucleus with DB4O embedded | 0.0000 |
| 16. | Hibernate with SQLite embedded | 0.0000 |
Total number of failed test runs (out of 2 tests in total) in this page results
Notes: Failed test runs are not included in any average score calculation. Click on failure numbers to see exception stack traces.
