update mto_post set author_id = floor(10+rand()*10)
update mto_post t
set
t.created = concat('2019-',floor(1+rand()*10),'-',floor(rand()*3), floor(1+rand()*3),' ', floor(10+rand()*10),':',floor(10+rand()*49),':',floor(10+rand()*49));
sql随机时间与随机数
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转载自www.cnblogs.com/michaelcnblogs/p/12735583.html
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