1  import java.io.File;

  2  import java.sql.Connection;

  3  import java.sql.ResultSet;

  4  import java.sql.Statement;

  5  

  6  /**

  7     Tests a database installation by creating and querying

  8     a sample table. Call this program as

  9     java -classpath driver_class_path;. TestDB database.properties

 10  */

 11  public class TestDB 

 12  {

 13     public static void main(String[] args) throws Exception

 14     {   

 15        if (args.length == 0)

 16        {   

 17           System.out.println(

 18                 "Usage: java -classpath driver_class_path" 

 19                 + File.pathSeparator 

 20                 + ". TestDB database.properties");

 21           return;

 22        }

 23        else 

 24           SimpleDataSource.init(args[0]);

 25        

 26        Connection conn = SimpleDataSource.getConnection();

 27        try

 28        {

 29           Statement stat = conn.createStatement();

 30  

 31           stat.execute("CREATE TABLE Test (Name CHAR(20))");

 32           stat.execute("INSERT INTO Test VALUES ('Romeo')");

 33  

 34           ResultSet result = stat.executeQuery("SELECT * FROM Test");

 35           result.next();

 36           System.out.println(result.getString("Name"));

 37  

 38           stat.execute("DROP TABLE Test");

 39        }

 40        finally

 41        {

 42           conn.close();

 43        }

 44     }

 45  }