Create Table Using Primary Keys

package com.sun;
 
/*
 Copyright 2003 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 Use of this software is authorized pursuant to the terms of the license found at
 http://developer.java.sun.com/berkeley_license.html.
 
 Copyright 2003 Sun Microsystems, Inc. All Rights Reserved.  
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 are permitted provided that the following conditions are met: 
 
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 specific prior written permission.
 
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 */
 
/*
 * Copyright 2003 Sun Microsystems, Inc.  ALL RIGHTS RESERVED.
 * Use of this software is authorized pursuant to the terms of the license found at
 * http://developer.java.sun.com/berkeley_license.html.
 */
 
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
 
public class PrimaryKeysSuppliers {
 
    public static void main(String args[]) {
 
	String url = "jdbc:mySubprotocol:myDataSource";
	Connection con;
	String createString = "create table SUPPLIERSPK " + "(SUP_ID INTEGER NOT NULL, " + "SUP_NAME VARCHAR(40), " + "STREET VARCHAR(40), " + "CITY VARCHAR(20), " + "STATE CHAR(2), " + "ZIP CHAR(5), " + "primary key(SUP_ID))";
	Statement stmt;
 
	try {
	    Class.forName("myDriver.ClassName");
 
	} catch (java.lang.ClassNotFoundException e) {
	    System.err.print("ClassNotFoundException: ");
	    System.err.println(e.getMessage());
	}
 
	try {
	    con = DriverManager.getConnection(url, "myLogin", "myPassword");
 
	    stmt = con.createStatement();
	    stmt.executeUpdate(createString);
 
	    DatabaseMetaData dbmd = con.getMetaData();
 
	    ResultSet rs = dbmd.getPrimaryKeys(null, null, "SUPPLIERSPK");
	    while (rs.next()) {
		String name = rs.getString("TABLE_NAME");
		String columnName = rs.getString("COLUMN_NAME");
		String keySeq = rs.getString("KEY_SEQ");
		String pkName = rs.getString("PK_NAME");
		System.out.println("table name :  " + name);
		System.out.println("column name:  " + columnName);
		System.out.println("sequence in key:  " + keySeq);
		System.out.println("primary key name:  " + pkName);
		System.out.println("");
	    }
 
	    rs.close();
	    con.close();
 
	} catch (SQLException ex) {
	    System.err.print("SQLException: ");
	    System.err.println(ex.getMessage());
	}
    }
}