Get a single revision performed in the last month

This query is marked as a draft This query has been published by Rdrg109.

This query taught me how inefficient a query can be when the author doesn't know enough about SQL and the database they are working on.

The query was executed on 2021/01/29 and it took 551.95 seconds to just find a single revision performed in the last month in the database wikidatawiki_p.

SQL

SELECT *
  FROM revision
  JOIN page ON rev_page = page_id
 WHERE rev_parent_id = 0
   AND page_namespace = 0
   AND rev_timestamp >= '20211230000000'
 LIMIT 10

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