 Even if a database system prints CURRENT_TIMESTAMP as YYYY-MM-DDTHH:MM:SS.SSS, this is not guaranteed to be a timestamp with millisecond accuracy and actually unlikely to be the case. (0) By John Dennis (jdennis) on 0000-00-00 00:00:00 in reply to 0 [link] [source] Even if a database system prints CURRENT_TIMESTAMP as YYYY-MM-DDTHH:MM:SS.SSS, this is not guaranteed to be a timestamp with millisecond accuracy and actually unlikely to be the case. 