Mysql 查询今天的某些时间之外的数据

SELECT * FROM `attendancealert`
WHERE DATE_FORMAT(FROM_UNIXTIME(UNIX_TIMESTAMP(`AlertTime`)),'%Y-%m-%d') = DATE_FORMAT(NOW(), '%Y-%m-%d')   //先将日期格式转成时间戳 然后时间戳转成Y-m-d的时间格式然后 和今天的Y-m-d的时间进行对比
AND DATE_FORMAT(FROM_UNIXTIME(UNIX_TIMESTAMP(`AlertTime`)),'%h:%i') NOT BETWEEN '09:00' AND '10:30'    //不在这个时间段
ORDER BY `AlertTime`  DESC

　　//我直接把时间转成时间类型不就可以了????

SELECT * FROM `attendancealert` 

WHERE   DATE_FORMAT((`AlertTime`),'%Y-%m-%d')= DATE_FORMAT(NOW(), '%Y-%m-%d') 


AND DATE_FORMAT((`AlertTime`),'%h:%i') NOT BETWEEN '09:00' AND '10:30' 
ORDER BY AlertTime ASC

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2021-07-26