SQL query to delete users with multiple meta keys and comments

So i got the answer and solution here https://stackoverflow.com/questions/55142768/sql-for-wp-to-delete-users-with-multiple-meta-keys-and-comments/55142835#55142835

SELECT u.*
FROM wp_users u
WHERE NOT EXISTS (SELECT 1
              FROM wp_usermeta um
              WHERE u.ID = um.user_id AND
                    um.meta_key IN ('metakey1', 'metakey2')
             ) AND
  NOT EXISTS (SELECT 1
              FROM wp_comments c
              WHERE u.ID = c.user_id
             );