wordpress 的 schema

ver 2.7:

幾個查詢例:

SELECT m.* FROM  wp_posts  p , wp_postmeta m
where p.id=m.post_id
order by post_id desc


SELECT tr.* 
FROM  wp_posts  p , wp_term_relationships tr  
where p.id=tr.object_id
order by p.id desc


SELECT p.id , w.*
FROM  wp_posts  p , wp_term_relationships tr , wp_term_taxonomy t
where p.id=tr.object_id
and tr.term_taxonomy_id=t.term_taxonomy_id
order by p.id desc


SELECT p.id , w.*
FROM  wp_posts  p , wp_term_relationships tr , wp_term_taxonomy t ,  wp_terms w
where p.id=tr.object_id
and tr.term_taxonomy_id=t.term_taxonomy_id
and t.term_id = w.term_id
order by p.id desc