问题
Hi I have a column with number datatype the data like 1310112000 this is a date, but I don't know how to make it in an understandable format: ex: 10-mar-2013 12:00:00 pm
Can any one please help me.
回答1:
That is EPOCH time: number of seconds since Epoch(1970-01-01). Use this:
SELECT CAST(DATE '1970-01-01' + ( 1 / 24 / 60 / 60 ) * '1310112003' AS TIMESTAMP) FROM DUAL;
Result:
08-JUL-11 08.00.03.000000000 AM
回答2:
Please try
select from_unixtime(floor(EPOCH_TIMESTAMP/1000)) from table;
This will give the result like E.g: 2018-03-22 07:10:45 PFB refence from MYSQL
回答3:
In Microsoft SQL Server, the previous answers did not work for me. But the following does work.
SELECT created_time AS created_time_raw,
dateadd( second, created_time, CAST( '1970-01-01' as datetime ) ) AS created_time_dt
FROM person
person is a database table, and created_time is an integer field whose value is a number of seconds since epoch.
There may be other ways to do the datetime arithmetic. But this is the first thing that worked. I do not know if it is MSSQL specific.
来源：https://stackoverflow.com/questions/23289218/how-to-convert-epoch-time-to-date