oracle 如何将时间戳毫秒数转换为日期

select t.*,(begin_at / (1000 * 60 * 60 * 24) + TO_DATE('1970-01-01 08:00:00', 'yyyy-MM-dd hh24:mi:ss') )CDATE from xa_dhcplat.sp_log_usr_action t WHERE T.SESSION_ID='a2b3dd4d8ae547149ad1e8419890e5dd'
 

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转载自blog.csdn.net/u013933709/article/details/132449544