select to_char(systimestamp,'YYYY/MM/DD HH24:MI:SS FF') from dual;
SELECT date_format(CURRENT_TIMESTAMP(3),'%Y/%m/%d %H:%i:%s %f');
select to_char(clock_timestamp(),'YYYY/MM/DD HH24:MI:SS MS');
select convert(nvarchar,GETDATE(),111);
select convert(nvarchar,GETDATE(),114);