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分享SELECT date_format(create_time, '%Y-%m'), count(fee)
FROM t_sales
GROUP BY date_format(create_time, '%Y-%m')
ORDER BY date_format(create_time, '%Y-%m');SELECT date_format(create_time, '%Y-%m'), sum(fee)
FROM t_sales
GROUP BY create_format(mt_time, '%Y-%m')
ORDER BY create_format(mt_time, '%Y-%m');