diff -r 01078e09b85b -r 504c4ba56d1c java/sql-dk/src/info/globalcode/sql/dk/configuration/DatabaseDefinition.java
--- a/java/sql-dk/src/info/globalcode/sql/dk/configuration/DatabaseDefinition.java	Sun Jun 21 16:21:51 2015 +0200
+++ b/java/sql-dk/src/info/globalcode/sql/dk/configuration/DatabaseDefinition.java	Sat Aug 15 09:40:22 2015 +0200
@@ -57,6 +57,10 @@
 	 * JDBC properties
 	 */
 	private Properties properties = new Properties();
+	/**
+	 * optional definition of tunnel to the remote database
+	 */
+	private TunnelDefinition tunnel;
 
 	@XmlElement(name = "name", namespace = CONFIGURATION)
 	@Override
@@ -112,6 +116,14 @@
 		this.properties = properties;
 	}
 
+	public TunnelDefinition getTunnel() {
+		return tunnel;
+	}
+
+	public void setTunnel(TunnelDefinition tunnel) {
+		this.tunnel = tunnel;
+	}
+
 	/**
 	 * @param properties ad-hoc properties from CLI options (for the JDBC driver)
 	 * @param jmxBean JMX management bean for progress reporting | null = disable JMX