How to extract millisecond from date in Oracle?

user_5271159 0
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i have full date(with time). But i want only millisecond from date.

please tell me one line solution

for example: date= 2016/03/16 10:45:04.252 i want this answer= 252

i try to use this query.

SELECT ADD_MONTHS(millisecond, -datepart('2016/03/16 10:45:04.252', millisecond),
     '2016/03/16 10:45:04.252') FROM DUAL;

but i'm not success.

oracle11g timestamp sql
2 Answers
SELECT 
TRUNC((L.OUT_TIME-L.IN_TIME)*24)           ||':'||
TRUNC((L.OUT_TIME-L.IN_TIME)*24*60)        ||':'||
ROUND(CASE WHEN ((L.OUT_TIME-L.IN_TIME)*24*60*60)>60 THEN ((L.OUT_TIME-L.IN_TIME)*24*60*60)-60 ELSE ((L.OUT_TIME-L.IN_TIME)*24*60*60) END ,5) Elapsed
FROM XYZ_TABLE
user_123725830
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