T321322 - Quarry

Fork of T321322 by Novem Linguae

This query is marked as a draft This query has been published by Cryptic.

This is the wrong approach for the question, but here's what's wrong with the query (JOIN...ON syntax; spelling of EXISTS; and t2.ptrpt_tag_name→t2.ptrt_tag_name)

SQL

SELECT *
FROM pagetriage_page_tags pt1
JOIN pagetriage_tags t1 ON pt1.ptrpt_tag_id = t1.ptrt_tag_id
WHERE t1.ptrt_tag_name = 'copyvio'
AND NOT EXISTS (
    SELECT *
    FROM pagetriage_page_tags pt2
    JOIN pagetriage_tags t2 ON pt2.ptrpt_tag_id = t2.ptrt_tag_id
    WHERE pt2.ptrpt_page_id = pt1.ptrpt_page_id
    AND t2.ptrt_tag_name = 'user_name'
)

AخA
 
SELECT *FROM pagetriage_page_tags pt1JOIN pagetriage_tags t1 ON pt1.ptrpt_tag_id = t1.ptrt_tag_idWHERE t1.ptrt_tag_name = 'copyvio'AND NOT EXISTS (    SELECT *    FROM pagetriage_page_tags pt2    JOIN pagetriage_tags t2 ON pt2.ptrpt_tag_id = t2.ptrt_tag_id    WHERE pt2.ptrpt_page_id = pt1.ptrpt_page_id    AND t2.ptrt_tag_name = 'user_name')

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