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 check same row
// select duplicate -------------
-- users (name, email) --
// -------------------------------
SELECT
id, school_id, COUNT(*)
FROM
booster_school_languages
GROUP BY
id, school_id
HAVING
COUNT(*) > 3Copyright © 2021 Codeinu
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