最后一句的id = 26及分类ID为26，看不到分类ID的肯定是改了固定链接的，那么把固定链接暂时改回默认的数字模式即可看到了。
delete
from
wp_posts
using
wp_posts,
wp_term_relationships,
wp_term_taxonomy
where
wp_posts.id=wp_term_relationships.object_id
and
wp_term_relationships.term_taxonomy_id = wp_term_taxonomy.term_taxonomy_id
and
wp_term_relationships.term_taxonomy_id = 26