Find Duplicate Rows
sqlSQLbeginnertips
List values that appear more than once, with how often each occurs.
SELECT email, COUNT(*) AS occurrences
FROM users
GROUP BY email
HAVING COUNT(*) > 1
ORDER BY occurrences DESC;List values that appear more than once, with how often each occurs.
SELECT email, COUNT(*) AS occurrences
FROM users
GROUP BY email
HAVING COUNT(*) > 1
ORDER BY occurrences DESC;
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