diff --git a/javadb/org/homelinux/largo/app/App.java b/javadb/org/homelinux/largo/app/App.java
--- a/javadb/org/homelinux/largo/app/App.java
+++ b/javadb/org/homelinux/largo/app/App.java
@@ -1,20 +1,51 @@
 package org.homelinux.largo.app;
 
+import java.util.List;
+import java.sql.SQLException;
 import org.homelinux.largo.sql.client.DBClient;
 
 public class App {
 	public static void main (String args[]) {
+		DBClient db = null;
+		int i = 0;
+
 		try {
-			DBClient db = new DBClient ();
+			db = new DBClient ();
+			List<String> list = db.getTables ();
+
+			System.out.println ("TABLES IN THE CURRENT DATABASE");
+			for (String s : list) {
+				System.out.printf ("[%04d] %s%n", i++, s);
+			}
+			System.out.println ();
+
+			list = db.getColumns("EUROLEAGUE");
+			System.out.println ("COLUMN NAMES IN THIS TABLE");
+			for (String s : list) {
+				System.out.printf ("%s ", s);
+			}
+			System.out.printf ("%n%n");
+
+			i = db.update ("delete from euroleague where bonus>0");
+			System.out.printf ("Deleted: %3d lines%n", i);
 			db.query ("select * from euroleague order by team");
 
 			while (db.hasNext ()) {
-				System.out.println (db.getColumn (1));
+				System.out.println (db.getColumn ("team"));
 			}
-
-			db.close ();
+		} catch (SQLException sqle) {
+			System.out.println ("SQLException: " + sqle.getMessage());
 		} catch (Exception e) {
 			e.printStackTrace ();
+		} finally {
+			try {
+				if (db != null) {
+					System.out.println ("Disconnecting from database...");
+					db.disconnect();
+				}
+			} catch (Exception e) {
+				e.printStackTrace();
+			}
 		}
 	}
 }