sql get rows with duplicate values
/* Gets reps */
SELECT fieldA, COUNT(*)
FROM tableA
GROUP BY fieldA
HAVING COUNT(*) > 1
/* Use reps to filter results */
SELECT a.*
FROM tableA a
JOIN (
SELECT fieldA, COUNT(*) as 'count'
FROM tableA
GROUP BY fieldA
HAVING COUNT(*) > 1
) b
ON a.fieldA = b.fieldAselect where duplicate mysql
SELECT
col1, COUNT(col1),
col2, COUNT(col2)
FROM
table_name
GROUP BY
col1,
col2
HAVING
(COUNT(col1) > 1) AND
(COUNT(col2) > 1);Copyright © 2021 Codeinu
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