SQL manipulations for WordPress comments and trackbacks
Disable comments and trackbacks globally:
UPDATE wp_posts SET comment_status = 'closed'; UPDATE wp_posts SET ping_status = 'closed';
Disable comments and trackbacks on post type:
UPDATE wp_posts SET ping_status = 'closed' WHERE post_type = 'post|page';
Disable comments and trackbacks on post status:
UPDATE wp_posts SET ping_status = 'closed' WHERE post_status = 'publish|inherit|pending|private|future|draft|trash' AND post_type = 'post';