Friday 30 January 2015

JDBC Connection using postgresql Driver Example Code

Folks,
Below is the Example code for JDBC Connection Using postgresql Driver.

import java.sql.*;

public class JdbcPostgreConnection {

public static void main( String args[]) throws SQLException {

Connection con = null ;
try {

    // Load the Driver class.
    Class.forName("org.postgresql.Driver");  //Step 1
    // If you are using any other database then load the right driver here.

    //Create the connection using the static getConnection method
    con = DriverManager.getConnection ("jdbc:postgresql://localhost:5432/dbName","username","password");//Step 2

    //Create a Statement class to execute the SQL statement
    Statement stmt = con.createStatement();//Step 3

    //Execute the SQL statement and get the results in a Resultset
    ResultSet rs = stmt.executeQuery("select * from dbName.user");//Step 4

    // Iterate through the ResultSet, displaying two values
    // for each row using the getString method

    while (rs.next())
        System.out.println("Name= " + rs.getString("user_name") + " Date= " + rs.getString("user_password"));
}
catch (SQLException e) {
    e.printStackTrace();
}
catch (Exception e) {
    e.printStackTrace();
}
finally {
    // Close the connection
    con.close();//Step 5
}
}
}

CSS Selectors

  CSS Selectors In CSS, selectors are patterns used to select the element(s) you want to style There are 3 different types of CSS selectors ...