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我想选择的日期时间降序排序最后(日期时间)record_version,为每一位ACCOUNT_IDMysql的DISTINCT ACCOUNT_ID和ORDER BY
SELECT *
FROM `record_versions`
WHERE record_id='26'
GROUP BY `account_id`
ORDER BY datetime DESC
它返回只有一个ACCOUNT_ID记录,但它不是最后