Users with more than 10 duplicate accounts

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A list of users that have more than 10 duplicate account on site, base on the EmailHash

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-- Users with more than 10 duplicate accounts
-- A list of users that have more than 10 duplicate account on site, base on the EmailHash

SELECT 
    u1.EmailHash,
    Count(u1.Id) AS Accounts,
    (SELECT Cast(u2.Id AS varchar) + ' (' + u2.DisplayName + '), ' FROM Users u2 WHERE u2.EmailHash = u1.EmailHash FOR XML PATH ('')) AS IdsAndNames
FROM
    Users u1
WHERE
    u1.EmailHash IS NOT NULL
GROUP BY
    u1.EmailHash
HAVING
    Count(u1.Id) > 1
ORDER BY 
    Accounts DESC

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