Database Management Technology 
The registered_servers_prim table is a list of servers registered with the Ingres name server. The table returns one row for each registration entry known to the name server of the current installation.
| Attribute Name | Key | Datatype | Description |
| name_server | 1 | varchar(64) | Ingres name server. |
| listen_address | 2 | varchar(64) | Listen address for the server, the format varies by platform. |
| server_class | 0 | varchar(32) | Server registration class. |
| server_dblist | 0 | varchar(32) | List of databases server is registered for. |
