Multiple database in CodeIgniter

How to connect to more than one database in codeigniter

Database config

$db[‘default’][‘hostname’] = “localhost”;
$db[‘default’][‘username’] = “root”;
$db[‘default’][‘password’] = “”;
$db[‘default’][‘database’] = “database_name”;
$db[‘default’][‘dbdriver’] = “mysql”;

set another config for 2nd database

$db[‘otherdb’][‘hostname’] = “localhost”;
$db[‘otherdb’][‘username’] = “root”;
$db[‘otherdb’][‘password’] = “”;
$db[‘otherdb’][‘database’] = “other_database_name”;
$db[‘otherdb’][‘dbdriver’] = “mysql”;

Sample to call

//Load another database
$DB2 = $this->load->database(‘another_db’, TRUE);

//Default database query
$this->db->select(‘first_name, last_name’);
$this->db->from(‘users’);
$this->db->where(‘id’, 99);
$query = $this->db->get();

//Another database query
$DB2->select(‘image’);
$DB2->from(‘cdn_images’);
$DB2->where(‘id’, 25);
$query = $DB2->get();

 

References

codexworld.com/connect-use-multiple-database-codeigniter

 

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