nlwiki File uploads and deletions by year

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

Combines *new* uploads from `image` and `filearchive` and shows next to deletions in `filearchive`.
Table `logging` doesn't have any info from before 2006.
Deletions before 2006 were not recorded anywhere it seems.

SQL

SELECT u.year, uploads, deletions
FROM (
  SELECT year, SUM(uploads) AS uploads FROM (
    SELECT LEFT(fa_timestamp, 4) AS year, COUNT(*) AS uploads FROM filearchive GROUP BY year DESC
      UNION
    SELECT LEFT(img_timestamp, 4) AS year, COUNT(*) AS uploads FROM image GROUP BY year DESC) u
  GROUP BY year DESC
) u
LEFT OUTER JOIN (SELECT LEFT(fa_deleted_timestamp, 4) AS year, COUNT(*) AS deletions FROM filearchive GROUP BY year DESC) fad
ON u.year=fad.year

By running queries you agree to the Cloud Services Terms of Use and you irrevocably agree to release your SQL under CC0 License.

Submit Query Stop Query

All SQL code is licensed under CC0 License.

SQL

Checking query status...