Εξαγωγή των άρθρων με βάση την κατηγορία

SELECT DISTINCT
post_title
, concat('https://www.thewebsite.gr/',post_name)
,(SELECT group_concat(wp_terms.name separator ', ') 
    FROM wp_terms
    INNER JOIN wp_term_taxonomy on wp_terms.term_id = wp_term_taxonomy.term_id
    INNER JOIN wp_term_relationships wpr on wpr.term_taxonomy_id = wp_term_taxonomy.term_taxonomy_id
    WHERE taxonomy= 'category' and wp_posts.ID = wpr.object_id
) AS "Categories"
FROM wp_posts
WHERE post_type = 'post' 
AND post_status = 'publish' 
ORDER BY
id DESC