| Managing the History of Metadata in Support for DB Archiving and Schema Evolution Recent countries visiting this post |  |
 | 6 | United States |
 | 1 | |
 | 1 | Japan |
 | 1 | Sweden |
| Managing the History of Metadata in Support for DB Archiving and Schema Evolution Recent countries visiting this post | |
| 6 | United States |
| 1 | |
| 1 | Japan |
| 1 | Sweden |