mysql查询过去12个月的数据统计

SELECT
    DATE_FORMAT(
        FROM_UNIXTIME(
            t.`created_at`,
            '%Y-%m-%d %H:%i:%S'
        ),
        '%Y-%m'
    ) MONTH,
    count(t.course_id) MINUTE
FROM
    course t
WHERE
    DATE_FORMAT(
        FROM_UNIXTIME(
            `created_at`,
            '%Y-%m-%d %H:%i:%S'
        ),
        '%Y-%m'
    ) > DATE_FORMAT(
        date_sub(curdate(), INTERVAL 12 MONTH),
        '%Y-%m'
    )
AND `status` >= 1
GROUP BY
    MONTH

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