-- Delete post metadata
DELETE pm
FROM wp_0BPKH_postmeta pm
INNER JOIN wp_0BPKH_posts p ON pm.post_id = p.ID
WHERE p.post_type = 'post';

-- Delete comments for posts
DELETE c
FROM wp_0BPKH_comments c
INNER JOIN wp_0BPKH_posts p ON c.comment_post_ID = p.ID
WHERE p.post_type = 'post';

-- Delete the posts themselves
DELETE FROM wp_0BPKH_posts
WHERE post_type = 'post';