package db_test2; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statement; public class JDBC_Ex1 { public static void main(String[] args) { Connection conn; Statement stmt = null; try { Class.forName("oracle.jdbc.driver.OracleDriver"); String db_url = "jdbc:oracle:thin:@localhost:1521:xe"; String db_id = "SYSTE..