#获取一个范围内的随机数,例10~23之间的随机数以下 23-10+1=14spa
FLOOR(10 + (RAND() * 14))ast
update t_base_parent set last_updated_time=CONCAT('2019-04-11 ',FLOOR(10 + (RAND() * 14)),":",FLOOR(10 + (RAND() * 50)),":",FLOOR(10 + (RAND() * 50)))
where last_updated_time = '2019-04-11 08:45:58'随机数