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fulippo/gist:3986307

Created October 31, 2012 10:26
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Query to remove orphaned taxonomy terms from a WordPress DB
Raw
gistfile1.sql
-- Replace %s with table prefix
DELETE tr
FROM %s_term_relationships tr
INNER JOIN %s_term_taxonomy tt
ON (tr.term_taxonomy_id = tt.term_taxonomy_id)
WHERE tt.taxonomy != 'link_category'
AND tr.object_id NOT IN (SELECT ID FROM %s_posts);
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