DATABASE_CONNECTIONS
Lists the connections to other databases for importing and exporting data.
	Lists the connections to other databases for importing and exporting data. See Moving Data Between Databases.
| Column Name | Data Type | Description | 
|---|---|---|
| DATABASE | VARCHAR | The name of the connected database | 
| USERNAME | VARCHAR | The username used to create the connection | 
| HOST | VARCHAR | The host name used to create the connection | 
| PORT | VARCHAR | The port number used to create the connection | 
| ISVALID | BOOLEAN | Whether the connection is still open and usable or not | 
Examples
=> CONNECT TO VERTICA vmart USER dbadmin PASSWORD '' ON '10.10.20.150',5433;
CONNECT
=> SELECT * FROM DATABASE_CONNECTIONS;
 database | username |     host     | port | isvalid
----------+----------+--------------+------+---------
 vmart    | dbadmin  | 10.10.20.150 | 5433 | t
(1 row)