MySQL query to delete 'wp_posts' rows and 'wp_postmeta' rows from a WordPress database

gistfile1.txt

# Delete all posts with given post type
DELETE FROM wp_posts WHERE post_type = 'shop_order';
 
# Delete all orphaned post_meta
DELETE wp_postmeta FROM wp_postmeta
WHERE NOT EXISTS (
	SELECT * FROM wp_posts
	WHERE wp_postmeta.post_id = wp_posts.ID
);