Showing current date and time in YYYY-MM-DD HH:SS:MM and YYYYMMDDHHSSMM.uuuuuu format respectively using MySQL:

Current datetime in YYYY-MM-DD HH:SS:MM format	Current datetime before an hour in YYYY-MM-DD HH:SS:MM format
2025-12-03 19:01:03	2025-12-03 18:01:03