查询MySQL表中重复的记录
时间：2020-07-28 22:39:41
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SELECT
*
FROM
(SELECT
id, name, age, count(*) sum
FROM
person
GROUP BY
id, name, age)
WHERE
sum > 1;
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SELECT
*
FROM
(SELECT
id, name, age, count(*) sum
FROM
person
GROUP BY
id, name, age)
WHERE
sum > 1;