select count(*) as loginnum
from MobileNum
where
logintime >= DATE_SUB(CONCAT(CURDATE(), ' 12:00'), INTERVAL 1 DAY)
and logintime < CONCAT(CURDATE(), ' 12:00')
from MobileNum
where
logintime >= DATE_SUB(CONCAT(CURDATE(), ' 12:00'), INTERVAL 1 DAY)
and logintime < CONCAT(CURDATE(), ' 12:00')
解决方案 »
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