Database Configuration in Codeigniter |Codeigniter tutorial for beginners step by step in hindi

in this tutorial we will Discuss about how to configure database in codeigniter . for configure database in codeigniter you can open config/database.php file
in config/database.php file you can set follwing values

What Is Database :

Database is library in codeigniter . database library used in codeigniter for communicate with database.this library provide you many features to communicate with database

'hostname' => 'localhost',
'username' => 'root',
'password' => '',
'database' => 'mypro_ci_tutorial',

$db['default'] = array(
   'dsn'   => '',
   'hostname' => 'localhost',
   'username' => 'root',
   'password' => '',
   'database' => 'mypro_ci_tutorial',
   'dbdriver' => 'mysqli',
   'dbprefix' => '',
   'pconnect' => FALSE,
   'db_debug' => (ENVIRONMENT !== 'production'),
   'cache_on' => FALSE,
   'cachedir' => '',
   'char_set' => 'utf8',
   'dbcollat' => 'utf8_general_ci',
   'swap_pre' => '',
   'encrypt' => FALSE,
   'compress' => FALSE,
   'stricton' => FALSE,
   'failover' => array(),
   'save_queries' => TRUE
);

How To Load Database

There are the following ways to load the database in codeigniter

1. autoload.php

in codeigniter you can load database library in autoload.php file. in autoload.php file you can load database library in library array .this library accessible in complete codeigniter project

$autoload['libraries'] = array('database');

2. Current Controller Constructor :

you can load database library . in current controller constructor using following code .this library accessible only current controller

punlic function __construct()
{
parent::__construct();
$this->load->library('database');
}