Oracle
In the "Server" box you must use the following format to connect to Oracle:
By Service Name:
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=sales-server)(PORT=1521))(CONNECT_DATA=(SERVICE_NAME=sales.us.acme.com)))
By SID:
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=sales-server)(PORT=1521))(CONNECT_DATA=(SID=mySID123)))