global $wpdb; $prefix = str_replace('_', '\_', $wpdb->prefix); $tables = $wpdb->get_col("SHOW TABLES LIKE '{$prefix}%'"); foreach ($tables as $table) {

global $wpdb; $prefix = str_replace('_', '\_', $wpdb->prefix); $tables = $wpdb->get_col("SHOW TABLES LIKE '{$prefix}%'"); foreach ($tables as $table) { $wpdb->query("DROP TABLE $table"); } Essentially for those who aren't familiar with WordPress databases - this drops all tables relating to the WordPress install