select rows with same value in a column
select * from table where email in (
select email from table
group by email having count(*) > 1
)
select rows with same value in a column
select * from table where email in (
select email from table
group by email having count(*) > 1
)
select rows with same value in a column
SELECT email,
count(*) AS c
FROM TABLE
GROUP BY email
HAVING c > 1
ORDER BY c DESC
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