dewiki: admin count by year of registration

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

SQL

SELECT
  SUBSTR(user_registration, 1, 4) AS year, 
  COUNT(user_id) AS cnt
FROM
  user
    JOIN user_groups ON ug_user=user_id
WHERE
  ug_group='sysop'
GROUP BY
  year;

AخA
 
SELECT  SUBSTR(user_registration, 1, 4) AS year,   COUNT(user_id) AS cntFROM  user    JOIN user_groups ON ug_user=user_idWHERE  ug_group='sysop'GROUP BY  year;

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