Access wordpress MySQL

To access the MySQL database go to phpMyAdmin > Click on table and go to SQl to query table

Useful links:

http://www.wpbeginner.com/beginners-guide/beginners-guide-to-wordpress-database-management-with-phpmyadmin/

http://wordpress.org/support/topic/how-to-enter-php-code-for-accessing-mysql-database-tables?replies=12

Working With Custom Database Tables In WordPress