Batch File Commands

package example.batchupdate;
import java.sql.BatchUpdateException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
 
public class Main1 {
    public static void main(String[] args) throws Exception {
	Connection conn = getMySqlConnection();
	ResultSet rs = null;
	Statement stmt = null;
	try {
	    conn = getMySqlConnection();
	    stmt = conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE);
	    conn.setAutoCommit(false);
	    stmt.addBatch("INSERT INTO survey(id, name) VALUES('11', 'Alex')");
	    stmt.addBatch("INSERT INTO survey(id, name) VALUES('22', 'Mary')");
	    stmt.addBatch("INSERT INTO survey(id, name) VALUES('33', 'Bob')");
	    int[] updateCounts = stmt.executeBatch();
	    System.out.println(updateCounts);
	    conn.commit();
	    rs = stmt.executeQuery("SELECT * FROM survey");
	    while (rs.next()) {
		String id = rs.getString("id");
		String name = rs.getString("name");
		System.out.println("id=" + id + "  name=" + name);
	    }
	} catch (BatchUpdateException b) {
	    System.err.println("SQLException: " + b.getMessage());
	    System.err.println("SQLState: " + b.getSQLState());
	    System.err.println("Message: " + b.getMessage());
	    System.err.println("Vendor error code: " + b.getErrorCode());
	    System.err.print("Update counts: ");
	    int[] updateCounts = b.getUpdateCounts();
	    for (int i = 0; i < updateCounts.length; i++) {
		System.err.print(updateCounts[i] + " ");
	    }
	} catch (SQLException ex) {
	    System.err.println("SQLException: " + ex.getMessage());
	    System.err.println("SQLState: " + ex.getSQLState());
	    System.err.println("Message: " + ex.getMessage());
	    System.err.println("Vendor error code: " + ex.getErrorCode());
	} catch (Exception e) {
	    e.printStackTrace();
	    System.err.println("Exception: " + e.getMessage());
	} finally {
	    rs.close();
	    stmt.close();
	    conn.close();
	}
    }
 
    private static Connection getHSQLConnection() throws Exception {
	Class.forName("org.hsqldb.jdbcDriver");
	System.out.println("Driver Loaded.");
	String url = "jdbc:hsqldb:data/tutorial";
	return DriverManager.getConnection(url, "sa", "");
    }
 
    public static Connection getMySqlConnection() throws Exception {
	String driver = "org.gjt.mm.mysql.Driver";
	String url = "jdbc:mysql://localhost/demo2s";
	String username = "oost";
	String password = "oost";
 
	Class.forName(driver);
	Connection conn = DriverManager.getConnection(url, username, password);
	return conn;
    }
 
    public static Connection getOracleConnection() throws Exception {
	String driver = "oracle.jdbc.driver.OracleDriver";
	String url = "jdbc:oracle:thin:@localhost:1521:caspian";
	String username = "mp";
	String password = "mp2";
 
	Class.forName(driver); // load Oracle driver
	Connection conn = DriverManager.getConnection(url, username, password);
	return conn;
    }
}