wikidatawiki Alias equal to label

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

Query breakdown:
- inner 2 queries (t1 & t2): find recently changed items with labels and aliases and their languages
- middle query (t3): find items that use the same text in the same language as both its label and as an alias
- outer query: lookup the texts themselves and the language codes and group them by item ID

Takes ½-2 hours w/o recentchanges, and ½-1 hours with.

SQL

SELECT * FROM wbt_text LIMIT 1;
SELECT * FROM wbt_type LIMIT 1;
SELECT * FROM wbt_text_in_lang LIMIT 1;
SELECT * FROM wbt_term_in_lang LIMIT 1;

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