How to convert “1985-02-07T00:00:00.000Z” (ISO8601) to a date value in Oracle?

Question

I tried to convert a time-stamp (\"1985-02-07T00:00:00.000Z\") to a date and I failed to succeed in my several different attempts.

Below is the query I have tried:

Answer 1

to_date converts the input to a DATE type which does not support fractional seconds. To use fractional seconds you need to use a TIMESTAMP type which is created when using to_timestamp

pst's comment about the ff3 modifier is also correct.

"Constant" values in the format mask need to be enclosed in double quote

So the final statement is:

select to_timestamp('1985-02-07T00:00:00.000Z', 'YYYY-MM-DD"T"HH24:MI:SS.ff3"Z"')
from dual;