如何在Oracle表中将Java时间转换为日期？

Question

I have table with column write_date type NUMBER. I found that in that column saved Date.getTime(); Does exist Oracle function that can return me date like DDMMYYYY ? Thanks

Answer 1

是。

cast(to_date('01-jan-1970','dd-mon-yyyy') + your_long/86400000 as timestamp ) ts

Answer 2

Cast your number as a date using to_date with the 'ddmmyyyy' format. Further information can be found at the link, which is to the Oracle documentation.

Answer 3

to_char(to_date(1970,'yyyy') + java_time/86400000, 'ddmmyyyy')