Can't select database - Wordpress

Question

When I download a new wordpress from wordpress.org and then paste it into my www folder of WAMP, then create a new database in phpmyadmin, then go to localhost and click the

Answer 1

my problem was that when I granted permissions to the DB user the host did not match what was in the wp_config.php

/** MySQL hostname */
define('DB_HOST', 'localhost:3306');

I was granting rights with

GRANT ALL ON databaseName.* TO 'UserName'@'127.0.0.1';

This gave me access when I was connected to the local host through ssh but It did not match wp_config.php. so I had to Grant like this then it all worked.

GRANT ALL ON databaseName.* TO 'UserName'@'localhost';