I want to make a Database Connection to Personal oracle 8 using thin driver classes12.zip I am using windows98 and personal oracle. It compiles properly but when I run it i get the following SQL error : "error My Own Sql error:IO exception:The network Adapter cannot establish the connection ". I havent made a SID in my oracle. Is a SID important? ============================================================ oracle 8import java.sql.*; import java.io.*; public class Jdbc1test { static String DB,USER,PASS, Query; static Connection connection; static Statement stmt; static ResultSet rs; public static void main(String args[]) { try { Class.forName("oracle.jdbc.driver.OracleDriver"); connection=DriverManager.getConnection ("jdbc racle:thin:@192.168.0.1:1521 rcl","scott","tiger"); stmt=connection.createStatement(); Query="select * from emp"; rs=stmt.executeQuery(Query); while(rs.next()) // while loop { int s1=rs.getInt("empno"); String s2=rs.getString("ename"); System.out.println(s1+ " " + s2); } rs.close(); connection.close(); } // end of try catch(ClassNotFoundException e) { System.out.println("Error My Own class not found : "+e.getMessage()); } catch(SQLException e) { System.out.println("Error My Own sql error: "+e.getMessage()); } catch(Exception e) { System.out.println("Error My Own other errors: "+e.getMessage()); } }// end of main }// end of class