Friday, January 9, 2015

Connect to a Database in java pgm



Connect to a Database

import java.sql.*;
public class jdbcConn 
{
   public static void main(String[] args) 
  {
      try 
      {
         Class.forName("org.apache.derby.jdbc.ClientDriver");
      }
      catch(ClassNotFoundException e) 
     {
         System.out.println("Class not found "+ e);
      }
      System.out.println("Jdbc Class found");
      int no_of_rows = 0;
      try 
      {
         Connection con = DriverManager.getConnection
         ("jdbc:derby://localhost:1527/testDb","username","password");  
         Statement stmt = con.createStatement();
         ResultSet rs = stmt.executeQuery("Select * from employee");
         while (rs.next()) 
          {
            no_of_rows++;
           }
       System.out.println("There are "+ no_of_rows + " record in the table");
           }
      catch(SQLException e)
      {
         System.out.println("SQL exception occured" + e);
      }
   }
}

No comments:

Post a Comment