- java
- yyyy-MM-dd HH:mm:ss.SSS (e.g. '2021-01-31 23:59:59.123')
-
MySQL
- %Y%m%d%H%i%s (e.g. '20210131235959')
- %Y-%m-%d %H:%i:%s (e.g. '2021-01-31 23:59:59')
- %c/%e (e.g. '4/1') (leading zero가 제거된 월일 표기)
-
Oracle
- yyyymmddhh24miss (e.g. '20210131235959')
- yyyy-mm-dd hh24:mi:ss (e.g. '2021-01-31 23:59:59')