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
)
sql select rows with different values in one column
SELECT *
FROM YourTable
WHERE ARIDNR IN (
SELECT ARIDNR
FROM YourTable
GROUP BY ARIDNR
HAVING COUNT(*) > 1
)
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