Wikimédia France - 2013-2014 round2 - Q3 - File usage

This query is marked as a draft This query has been published by Jean-Frédéric.

Usage of files supported by Wikimédia France during the Q3 of FDC year 2013-2014 round2

SQL

use commonswiki_p;
SELECT COUNT(DISTINCT page_title) AS FilesUsed, COUNT(gil_wiki) AS Uses, COUNT(DISTINCT gil_wiki) AS NbWikis
    FROM page
        JOIN categorylinks
        JOIN globalimagelinks
        JOIN image ON image.img_name = page.page_title
    WHERE page.page_id=categorylinks.cl_from
        AND gil_to = page_title
        AND categorylinks.cl_to = "Media_supported_by_Wikimedia_France"
        AND img_timestamp BETWEEN 20150101000000 AND 20150401000000;

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