Many times I saw this message. “Error establishing a database connection”. That time I did not understand why this message is coming.

When started working on WordPress blog Plugins, Themes. Then I got to know about this error.
Whenever you mis-configured the wp-config.php file. You will this kind of error.

You need to Fill following information correctly:(dont forget to create database your own)
** The name of the database for WordPress */

define(‘DB_NAME’, ‘wordpress’);

/** MySQL database username */

define(‘DB_USER’, ‘root’);

/** MySQL database password */

define(‘DB_PASSWORD’, ”);

/** MySQL hostname */

define(‘DB_HOST’, ‘localhost’);

This will solve your problem.

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