Wikidata user name prefixes

This query is marked as a draft This query has been published by Lucas Werkmeister (WMDE).

How often each initial letter of a user name on Wikidata occurs. (Note: excludes non-ASCII initial letters because SUBSTR() truncates by byte, not by code point.)

SQL

USE wikidatawiki_p;

SELECT user_initial.initial, HEX(user_initial.initial) AS initial_hex, count FROM (
  SELECT SUBSTR(user.user_name, 1, 1) AS initial, COUNT(*) AS count
  FROM user
  GROUP BY initial
) AS user_initial
ORDER BY initial

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