Users in ukwiki by the time of their first edit

SQL

SELECT U.user_name, MIN(R.rev_timestamp)
FROM ukwiki_p.user U JOIN ukwiki_p.revision R
  ON U.user_id = R.rev_user
WHERE U.user_name IN {
	"Airelan", "Alessot", "Alex79", "Aminngo", "D.Dafoe", 
    "Dneprovskayan", "Draguntsow", "Grishazahid", "Ketrin", 
    "lxlalexlxl", "Marmirych", "nickispeaki", "NV", "OlexShpak", 
    "S.hlukhov", "The Iron Addict", "Violka5555", "WayDong", 
    "well-9", "yuriz", "Андрій Гриценко", "ДмитроСавченко", 
    "Евген Савич", "Остап Україна", "Рассилон", "Сергій Верник", 
    "Учитель", "Юлия Можаровская", "Merrrys", "Stanfalc"}
GROUP BY U.user_name

SQL

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