Finding duplicate values in a SQL table

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南旧
南旧 2020-11-21 13:18

It\'s easy to find duplicates with one field:

SELECT name, COUNT(email) 
FROM users
GROUP BY email
HAVING COUNT(email) > 1

So if we have

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  •  醉梦人生
    2020-11-21 14:07

    You can use the SELECT DISTINCT keyword to get rid of duplicates. You can also filter by name and get everyone with that name on a table.

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